724074772 has 12 divisors (see below), whose sum is σ = 1267340256. Its totient is φ = 361977560.

The previous prime is 724074763. The next prime is 724074773. The reversal of 724074772 is 277470427.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724074773) 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, 22947 + ... + 44437.

It is an arithmetic number, because the mean of its divisors is an integer number (105611688).

Almost surely, 2^724074772 is an apocalyptic number.

It is an amenable number.

724074772 is a deficient number, since it is larger than the sum of its proper divisors (543265484).

724074772 is a wasteful number, since it uses less digits than its factorization.

724074772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29918 (or 29916 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 40.

The square root of 724074772 is about 26908.6374980228. The cubic root of 724074772 is about 897.9685754451.

The spelling of 724074772 in words is "seven hundred twenty-four million, seventy-four thousand, seven hundred seventy-two".