70664242 has 24 divisors (see below), whose sum is σ = 120537900. Its totient is φ = 31009440.

The previous prime is 70664239. The next prime is 70664261. The reversal of 70664242 is 24246607.

It can be written as a sum of positive squares in 2 ways, for example, as 69705801 + 958441 = 8349^2 + 979^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1984 + ... + 12052.

Almost surely, 2^70664242 is an apocalyptic number.

70664242 is a deficient number, since it is larger than the sum of its proper divisors (49873658).

70664242 is a wasteful number, since it uses less digits than its factorization.

70664242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122 (or 10111 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 70664242 is about 8406.2025909444. The cubic root of 70664242 is about 413.4280143547.

The spelling of 70664242 in words is "seventy million, six hundred sixty-four thousand, two hundred forty-two".