725334984 has 72 divisors (see below), whose sum is σ = 2159296230. Its totient is φ = 219795840.

The previous prime is 725334947. The next prime is 725334997. The reversal of 725334984 is 489433527.

725334984 is a `hidden beast` number, since 72 + 533 + 49 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 488852100 + 236482884 = 22110^2 + 15378^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×725334984² = 1052221678028560512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32917 + ... + 50340.

Almost surely, 2^725334984 is an apocalyptic number.

It is an amenable number.

725334984 is an abundant number, since it is smaller than the sum of its proper divisors (1433961246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725334984 is a wasteful number, since it uses less digits than its factorization.

725334984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83291 (or 83273 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 725334984 is about 26932.0438140146. The cubic root of 725334984 is about 898.4892283476.

The spelling of 725334984 in words is "seven hundred twenty-five million, three hundred thirty-four thousand, nine hundred eighty-four".