70271664 has 40 divisors (see below), whose sum is σ = 182101440. Its totient is φ = 23350848.

The previous prime is 70271657. The next prime is 70271689. The reversal of 70271664 is 46617207.

It is a super-2 number, since 2×70271664² = 9876213522657792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14547 + ... + 18765.

It is an arithmetic number, because the mean of its divisors is an integer number (4552536).

Almost surely, 2^70271664 is an apocalyptic number.

It is an amenable number.

70271664 is an abundant number, since it is smaller than the sum of its proper divisors (111829776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70271664 is a wasteful number, since it uses less digits than its factorization.

70271664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577 (or 4571 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 70271664 is about 8382.8195733894. The cubic root of 70271664 is about 412.6609869337.

The spelling of 70271664 in words is "seventy million, two hundred seventy-one thousand, six hundred sixty-four".