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70073802 = 2332921543
BaseRepresentation
bin1000010110100…
…11110111001010
311212212010012000
410023103313022
5120414330202
610541531430
71510421541
oct413236712
9155763160
1070073802
1136611537
121b573b76
13116962b6
149441158
15624291c
hex42d3dca

70073802 has 48 divisors (see below), whose sum is σ = 161378880. Its totient is φ = 22537872.

The previous prime is 70073777. The next prime is 70073821. The reversal of 70073802 is 20837007.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44643 + ... + 46185.

It is an arithmetic number, because the mean of its divisors is an integer number (3362060).

Almost surely, 270073802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70073802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80689440).

70073802 is an abundant number, since it is smaller than the sum of its proper divisors (91305078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70073802 is a wasteful number, since it uses less digits than its factorization.

70073802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 70073802 is about 8371.0096165277. The cubic root of 70073802 is about 412.2733167747.

The spelling of 70073802 in words is "seventy million, seventy-three thousand, eight hundred two".

Divisors: 1 2 3 6 9 18 27 29 54 58 87 174 261 522 783 841 1543 1566 1682 2523 3086 4629 5046 7569 9258 13887 15138 22707 27774 41661 44747 45414 83322 89494 134241 268482 402723 805446 1208169 1297663 2416338 2595326 3892989 7785978 11678967 23357934 35036901 70073802