70936690 has 32 divisors (see below), whose sum is σ = 146629440. Its totient is φ = 24436800.

The previous prime is 70936687. The next prime is 70936721. The reversal of 70936690 is 9663907.

It is a super-2 number, since 2×70936690² = 10064027976312200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14881 + ... + 19060.

It is an arithmetic number, because the mean of its divisors is an integer number (4582170).

Almost surely, 2^70936690 is an apocalyptic number.

70936690 is an abundant number, since it is smaller than the sum of its proper divisors (75692750).

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

70936690 is a wasteful number, since it uses less digits than its factorization.

70936690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33978.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 70936690 is about 8422.3921779979. The cubic root of 70936690 is about 413.9586607964.

The spelling of 70936690 in words is "seventy million, nine hundred thirty-six thousand, six hundred ninety".