70440404 has 12 divisors (see below), whose sum is σ = 125893824. Its totient is φ = 34470744.

The previous prime is 70440397. The next prime is 70440427. The reversal of 70440404 is 40404407.

It is a self number, because there is not a number n which added to its sum of digits gives 70440404.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 187154 + ... + 187529.

It is an arithmetic number, because the mean of its divisors is an integer number (10491152).

Almost surely, 2^70440404 is an apocalyptic number.

It is an amenable number.

70440404 is a deficient number, since it is larger than the sum of its proper divisors (55453420).

70440404 is a wasteful number, since it uses less digits than its factorization.

70440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374734 (or 374732 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 70440404 is about 8392.8781714022. The cubic root of 70440404 is about 412.9910239652.

The spelling of 70440404 in words is "seventy million, four hundred forty thousand, four hundred four".