499678725 has 72 divisors (see below), whose sum is σ = 1035037920. Its totient is φ = 210833280.

The previous prime is 499678723. The next prime is 499678741. The reversal of 499678725 is 527876994.

It is not a de Polignac number, because 499678725 - 2¹ = 499678723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499678721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42546 + ... + 53004.

Almost surely, 2^499678725 is an apocalyptic number.

It is an amenable number.

499678725 is an abundant number, since it is smaller than the sum of its proper divisors (535359195).

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

499678725 is a wasteful number, since it uses less digits than its factorization.

499678725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10499 (or 10487 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

The square root of 499678725 is about 22353.4946932241. The cubic root of 499678725 is about 793.5304921362.

The spelling of 499678725 in words is "four hundred ninety-nine million, six hundred seventy-eight thousand, seven hundred twenty-five".