70077664 has 48 divisors (see below), whose sum is σ = 141538320. Its totient is φ = 34145280.

The previous prime is 70077653. The next prime is 70077671. The reversal of 70077664 is 46677007.

It is a congruent number.

It is an unprimeable number.

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, 305902 + ... + 306130.

It is an arithmetic number, because the mean of its divisors is an integer number (2948715).

Almost surely, 2^70077664 is an apocalyptic number.

It is an amenable number.

70077664 is an abundant number, since it is smaller than the sum of its proper divisors (71460656).

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

70077664 is a wasteful number, since it uses less digits than its factorization.

70077664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 70077664 is about 8371.2402904229. The cubic root of 70077664 is about 412.2808905529.

The spelling of 70077664 in words is "seventy million, seventy-seven thousand, six hundred sixty-four".