725692212 has 72 divisors (see below), whose sum is σ = 2132020800. Its totient is φ = 203822208.

The previous prime is 725692199. The next prime is 725692217. The reversal of 725692212 is 212296527.

It is a happy number.

725692212 is a `hidden beast` number, since 72 + 569 + 2 + 21 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725692217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9537 + ... + 39272.

It is an arithmetic number, because the mean of its divisors is an integer number (29611400).

Almost surely, 2^725692212 is an apocalyptic number.

It is an amenable number.

725692212 is an abundant number, since it is smaller than the sum of its proper divisors (1406328588).

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

725692212 is a wasteful number, since it uses less digits than its factorization.

725692212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48885 (or 48880 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 725692212 is about 26938.6750230964. The cubic root of 725692212 is about 898.6367063357.

It can be divided in two parts, 725692 and 212, that added together give a square (725904 = 852²).

The spelling of 725692212 in words is "seven hundred twenty-five million, six hundred ninety-two thousand, two hundred twelve".