724996970 has 8 divisors (see below), whose sum is σ = 1304994564. Its totient is φ = 289998784.

The previous prime is 724996967. The next prime is 724997023. The reversal of 724996970 is 79699427.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 698174929 + 26822041 = 26423^2 + 5179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 36249839 + ... + 36249858.

Almost surely, 2^724996970 is an apocalyptic number.

724996970 is a deficient number, since it is larger than the sum of its proper divisors (579997594).

724996970 is a wasteful number, since it uses less digits than its factorization.

724996970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72499704.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 724996970 is about 26925.7677699263. The cubic root of 724996970 is about 898.3496380741.

The spelling of 724996970 in words is "seven hundred twenty-four million, nine hundred ninety-six thousand, nine hundred seventy".