726122925 has 72 divisors (see below), whose sum is σ = 1424298720. Its totient is φ = 350697600.

The previous prime is 726122899. The next prime is 726122939. The reversal of 726122925 is 529221627.

It is a happy number.

It is not a de Polignac number, because 726122925 - 2⁶ = 726122861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 726122925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 982206 + ... + 982944.

Almost surely, 2^726122925 is an apocalyptic number.

726122925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

726122925 is a deficient number, since it is larger than the sum of its proper divisors (698175795).

726122925 is a wasteful number, since it uses less digits than its factorization.

726122925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1155 counting only the distinct ones).

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

The square root of 726122925 is about 26946.6681613887. The cubic root of 726122925 is about 898.8144575254.

The spelling of 726122925 in words is "seven hundred twenty-six million, one hundred twenty-two thousand, nine hundred twenty-five".