724064552 has 8 divisors (see below), whose sum is σ = 1357621050. Its totient is φ = 362032272.

The previous prime is 724064531. The next prime is 724064567. The reversal of 724064552 is 255460427.

It can be written as a sum of positive squares in only one way, i.e., 660798436 + 63266116 = 25706^2 + 7954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45254027 + ... + 45254042.

Almost surely, 2^724064552 is an apocalyptic number.

It is an amenable number.

724064552 is a deficient number, since it is larger than the sum of its proper divisors (633556498).

724064552 is a wasteful number, since it uses less digits than its factorization.

724064552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90508075 (or 90508071 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 724064552 is about 26908.4475955043. The cubic root of 724064552 is about 897.9643506135.

The spelling of 724064552 in words is "seven hundred twenty-four million, sixty-four thousand, five hundred fifty-two".