70404644 has 12 divisors (see below), whose sum is σ = 123280668. Its totient is φ = 35181600.

The previous prime is 70404643. The next prime is 70404647. The reversal of 70404644 is 44640407.

It can be written as a sum of positive squares in 2 ways, for example, as 66748900 + 3655744 = 8170^2 + 1912^2 .

It is not an unprimeable number, because it can be changed into a prime (70404643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4454 + ... + 12674.

It is an arithmetic number, because the mean of its divisors is an integer number (10273389).

Almost surely, 2^70404644 is an apocalyptic number.

It is an amenable number.

70404644 is a deficient number, since it is larger than the sum of its proper divisors (52876024).

70404644 is a wasteful number, since it uses less digits than its factorization.

70404644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366 (or 10364 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 70404644 is about 8390.7475233140. The cubic root of 70404644 is about 412.9211253557.

The spelling of 70404644 in words is "seventy million, four hundred four thousand, six hundred forty-four".