70742344 has 8 divisors (see below), whose sum is σ = 132641910. Its totient is φ = 35371168.

The previous prime is 70742323. The next prime is 70742351. The reversal of 70742344 is 44324707.

It can be written as a sum of positive squares in only one way, i.e., 51294244 + 19448100 = 7162^2 + 4410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×70742344² = 10008958469228672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4421389 + ... + 4421404.

Almost surely, 2^70742344 is an apocalyptic number.

It is an amenable number.

70742344 is a deficient number, since it is larger than the sum of its proper divisors (61899566).

70742344 is a wasteful number, since it uses less digits than its factorization.

70742344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8842799 (or 8842795 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 70742344 is about 8410.8468063567. The cubic root of 70742344 is about 413.5802727204.

The spelling of 70742344 in words is "seventy million, seven hundred forty-two thousand, three hundred forty-four".