727684472 has 16 divisors (see below), whose sum is σ = 1411457400. Its totient is φ = 351295840.

The previous prime is 727684471. The next prime is 727684519. The reversal of 727684472 is 274486727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727684471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568054 + ... + 1568517.

Almost surely, 2^727684472 is an apocalyptic number.

It is an amenable number.

727684472 is a deficient number, since it is larger than the sum of its proper divisors (683772928).

727684472 is a wasteful number, since it uses less digits than its factorization.

727684472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136606 (or 3136602 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 47.

The square root of 727684472 is about 26975.6273699056. The cubic root of 727684472 is about 899.4583044803.

The spelling of 727684472 in words is "seven hundred twenty-seven million, six hundred eighty-four thousand, four hundred seventy-two".