70893664 has 48 divisors (see below), whose sum is σ = 142859808. Its totient is φ = 34624512.

The previous prime is 70893653. The next prime is 70893677. The reversal of 70893664 is 46639807.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70893664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451474 + ... + 451630.

It is an arithmetic number, because the mean of its divisors is an integer number (2976246).

Almost surely, 2^70893664 is an apocalyptic number.

It is an amenable number.

70893664 is an abundant number, since it is smaller than the sum of its proper divisors (71966144).

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

70893664 is a wasteful number, since it uses less digits than its factorization.

70893664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 70893664 is about 8419.8375281237. The cubic root of 70893664 is about 413.8749495905.

The spelling of 70893664 in words is "seventy million, eight hundred ninety-three thousand, six hundred sixty-four".