724075472 has 10 divisors (see below), whose sum is σ = 1402896258. Its totient is φ = 362037728.

The previous prime is 724075439. The next prime is 724075493. The reversal of 724075472 is 274570427.

It can be written as a sum of positive squares in only one way, i.e., 720170896 + 3904576 = 26836^2 + 1976^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22627343 + ... + 22627374.

Almost surely, 2^724075472 is an apocalyptic number.

It is an amenable number.

724075472 is a deficient number, since it is larger than the sum of its proper divisors (678820786).

724075472 is a wasteful number, since it uses less digits than its factorization.

724075472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45254725 (or 45254719 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 724075472 is about 26908.6505049956. The cubic root of 724075472 is about 897.9688648157.

The spelling of 724075472 in words is "seven hundred twenty-four million, seventy-five thousand, four hundred seventy-two".