70900739 has 24 divisors (see below), whose sum is σ = 89052192. Its totient is φ = 55261440.

The previous prime is 70900733. The next prime is 70900741. The reversal of 70900739 is 93700907.

It is not a de Polignac number, because 70900739 - 2¹² = 70896643 is a prime.

It is a super-2 number, since 2×70900739² = 10053829581492242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70900699 and 70900708.

It is not an unprimeable number, because it can be changed into a prime (70900733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85949 + ... + 86769.

It is an arithmetic number, because the mean of its divisors is an integer number (3710508).

Almost surely, 2^70900739 is an apocalyptic number.

70900739 is a deficient number, since it is larger than the sum of its proper divisors (18151453).

70900739 is a wasteful number, since it uses less digits than its factorization.

70900739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 35.

The square root of 70900739 is about 8420.2576563903. The cubic root of 70900739 is about 413.8887170073. Note that the first 3 decimals are identical.

The spelling of 70900739 in words is "seventy million, nine hundred thousand, seven hundred thirty-nine".