70328624 has 20 divisors (see below), whose sum is σ = 138183120. Its totient is φ = 34668480.

The previous prime is 70328611. The next prime is 70328647. The reversal of 70328624 is 42682307.

It is a super-2 number, since 2×70328624² = 9892230707466752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29819 + ... + 32090.

It is an arithmetic number, because the mean of its divisors is an integer number (6909156).

Almost surely, 2^70328624 is an apocalyptic number.

It is an amenable number.

70328624 is a deficient number, since it is larger than the sum of its proper divisors (67854496).

70328624 is a wasteful number, since it uses less digits than its factorization.

70328624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61988 (or 61982 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 70328624 is about 8386.2163101127. The cubic root of 70328624 is about 412.7724534930.

The spelling of 70328624 in words is "seventy million, three hundred twenty-eight thousand, six hundred twenty-four".