70258664 has 16 divisors (see below), whose sum is σ = 150554400. Its totient is φ = 30110832.

The previous prime is 70258633. The next prime is 70258667. The reversal of 70258664 is 46685207.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70258667) 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 3 ways as a sum of consecutive naturals, for example, 627254 + ... + 627365.

It is an arithmetic number, because the mean of its divisors is an integer number (9409650).

Almost surely, 2^70258664 is an apocalyptic number.

It is an amenable number.

70258664 is an abundant number, since it is smaller than the sum of its proper divisors (80295736).

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

70258664 is a wasteful number, since it uses less digits than its factorization.

70258664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254632 (or 1254628 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 70258664 is about 8382.0441420933. The cubic root of 70258664 is about 412.6355384415.

The spelling of 70258664 in words is "seventy million, two hundred fifty-eight thousand, six hundred sixty-four".