70939968 has 56 divisors (see below), whose sum is σ = 204764640. Its totient is φ = 21496320.

The previous prime is 70939949. The next prime is 70939969. The reversal of 70939968 is 86993907.

It is a self number, because there is not a number n which added to its sum of digits gives 70939968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70939969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14683 + ... + 18906.

Almost surely, 2^70939968 is an apocalyptic number.

It is an amenable number.

70939968 is an abundant number, since it is smaller than the sum of its proper divisors (133824672).

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

70939968 is a wasteful number, since it uses less digits than its factorization.

70939968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33615 (or 33605 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 70939968 is about 8422.5867760445. The cubic root of 70939968 is about 413.9650370717.

The spelling of 70939968 in words is "seventy million, nine hundred thirty-nine thousand, nine hundred sixty-eight".