70612644 has 24 divisors (see below), whose sum is σ = 164898720. Its totient is φ = 23518144.

The previous prime is 70612639. The next prime is 70612667. The reversal of 70612644 is 44621607.

It is a super-2 number, since 2×70612644² = 9972290985341472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27487 + ... + 29945.

It is an arithmetic number, because the mean of its divisors is an integer number (6870780).

Almost surely, 2^70612644 is an apocalyptic number.

It is an amenable number.

70612644 is an abundant number, since it is smaller than the sum of its proper divisors (94286076).

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

70612644 is a wasteful number, since it uses less digits than its factorization.

70612644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859 (or 4857 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 70612644 is about 8403.1329871662. The cubic root of 70612644 is about 413.3273634818.

The spelling of 70612644 in words is "seventy million, six hundred twelve thousand, six hundred forty-four".