70328724 has 24 divisors (see below), whose sum is σ = 165727968. Its totient is φ = 23210400.

The previous prime is 70328717. The next prime is 70328743. The reversal of 70328724 is 42782307.

It is a super-2 number, since 2×70328724² = 9892258838936352, which contains 22 as substring.

It is a congruent number.

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, 27802 + ... + 30225.

It is an arithmetic number, because the mean of its divisors is an integer number (6905332).

Almost surely, 2^70328724 is an apocalyptic number.

It is an amenable number.

70328724 is an abundant number, since it is smaller than the sum of its proper divisors (95399244).

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

70328724 is a wasteful number, since it uses less digits than its factorization.

70328724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58135 (or 58133 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 70328724 is about 8386.2222722749. Note that the first 4 decimals coincide. The cubic root of 70328724 is about 412.7726491328.

The spelling of 70328724 in words is "seventy million, three hundred twenty-eight thousand, seven hundred twenty-four".