70697312 has 24 divisors (see below), whose sum is σ = 159069456. Its totient is φ = 30298752.

The previous prime is 70697227. The next prime is 70697317. The reversal of 70697312 is 21379607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70697317) 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, 157583 + ... + 158030.

It is an arithmetic number, because the mean of its divisors is an integer number (6627894).

Almost surely, 2^70697312 is an apocalyptic number.

It is an amenable number.

70697312 is an abundant number, since it is smaller than the sum of its proper divisors (88372144).

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

70697312 is a wasteful number, since it uses less digits than its factorization.

70697312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315630 (or 315622 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 70697312 is about 8408.1693608062. The cubic root of 70697312 is about 413.4924973795.

The spelling of 70697312 in words is "seventy million, six hundred ninety-seven thousand, three hundred twelve".