70404944 has 10 divisors (see below), whose sum is σ = 136409610. Its totient is φ = 35202464.

The previous prime is 70404941. The next prime is 70404959. The reversal of 70404944 is 44940407.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 23892544 = 6820^2 + 4888^2 .

It is a super-2 number, since 2×70404944² = 9913712279286272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70404944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70404941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200139 + ... + 2200170.

It is an arithmetic number, because the mean of its divisors is an integer number (13640961).

Almost surely, 2^70404944 is an apocalyptic number.

It is an amenable number.

70404944 is a deficient number, since it is larger than the sum of its proper divisors (66004666).

70404944 is a wasteful number, since it uses less digits than its factorization.

70404944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400317 (or 4400311 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 70404944 is about 8390.7654001289. The cubic root of 70404944 is about 412.9217118519.

The spelling of 70404944 in words is "seventy million, four hundred four thousand, nine hundred forty-four".