76724325 has 36 divisors (see below), whose sum is σ = 140790468. Its totient is φ = 39916800.

The previous prime is 76724321. The next prime is 76724327. The reversal of 76724325 is 52342767.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 720801 + 76003524 = 849^2 + 8718^2 .

It is not a de Polignac number, because 76724325 - 2² = 76724321 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 76724325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76724321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5067 + ... + 13383.

Almost surely, 2^76724325 is an apocalyptic number.

76724325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

76724325 is a deficient number, since it is larger than the sum of its proper divisors (64066143).

76724325 is a wasteful number, since it uses less digits than its factorization.

76724325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8374 (or 8366 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 76724325 is about 8759.2422617484. The cubic root of 76724325 is about 424.9237694880.

The spelling of 76724325 in words is "seventy-six million, seven hundred twenty-four thousand, three hundred twenty-five".