Search a number
-
+
70744636 = 2260729137
BaseRepresentation
bin1000011011101…
…11101000111100
311221010012101201
410031313220330
5121102312021
611004145244
71516214404
oct415675074
9157105351
1070744636
1136a2a546
121b838224
131186c741
149577804
156326591
hex4377a3c

70744636 has 12 divisors (see below), whose sum is σ = 124011328. Its totient is φ = 35312832.

The previous prime is 70744631. The next prime is 70744637. The reversal of 70744636 is 63644707.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70744595 and 70744604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70744631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12141 + ... + 16996.

Almost surely, 270744636 is an apocalyptic number.

It is an amenable number.

70744636 is a deficient number, since it is larger than the sum of its proper divisors (53266692).

70744636 is a wasteful number, since it uses less digits than its factorization.

70744636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29748 (or 29746 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 70744636 is about 8410.9830578833. The cubic root of 70744636 is about 413.5847392379.

The spelling of 70744636 in words is "seventy million, seven hundred forty-four thousand, six hundred thirty-six".

Divisors: 1 2 4 607 1214 2428 29137 58274 116548 17686159 35372318 70744636