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70880734 = 235440367
BaseRepresentation
bin1000011100110…
…00110111011110
311221101010002101
410032120313132
5121121140414
611011115314
71520322241
oct416306736
9157333071
1070880734
1137012821
121b8a2b3a
13118b9682
1495b1258
156351a74
hex4398dde

70880734 has 4 divisors (see below), whose sum is σ = 106321104. Its totient is φ = 35440366.

The previous prime is 70880731. The next prime is 70880741. The reversal of 70880734 is 43708807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43708807 = 71615617.

It is a junction number, because it is equal to n+sod(n) for n = 70880693 and 70880702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70880731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17720182 + ... + 17720185.

It is an arithmetic number, because the mean of its divisors is an integer number (26580276).

Almost surely, 270880734 is an apocalyptic number.

70880734 is a deficient number, since it is larger than the sum of its proper divisors (35440370).

70880734 is a wasteful number, since it uses less digits than its factorization.

70880734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35440369.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 70880734 is about 8419.0696635673. The cubic root of 70880734 is about 413.8497864181.

The spelling of 70880734 in words is "seventy million, eight hundred eighty thousand, seven hundred thirty-four".

Divisors: 1 2 35440367 70880734