70444456 has 16 divisors (see below), whose sum is σ = 132668640. Its totient is φ = 35066160.

The previous prime is 70444453. The next prime is 70444459. The reversal of 70444456 is 65444407.

It is an interprime number because it is at equal distance from previous prime (70444453) and next prime (70444459).

It is a super-2 number, since 2×70444456² = 9924842762271872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70444453) 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, 17580 + ... + 21211.

It is an arithmetic number, because the mean of its divisors is an integer number (8291790).

Almost surely, 2^70444456 is an apocalyptic number.

It is an amenable number.

70444456 is a deficient number, since it is larger than the sum of its proper divisors (62224184).

70444456 is a wasteful number, since it uses less digits than its factorization.

70444456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39024 (or 39020 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 70444456 is about 8393.1195630707. The cubic root of 70444456 is about 412.9989427516.

The spelling of 70444456 in words is "seventy million, four hundred forty-four thousand, four hundred fifty-six".