7924737925 has 24 divisors (see below), whose sum is σ = 10947502440. Its totient is φ = 5650310400.

The previous prime is 7924737907. The next prime is 7924737943. The reversal of 7924737925 is 5297374297.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7924737907) and next prime (7924737943).

It can be written as a sum of positive squares in 12 ways, for example, as 3605882401 + 4318855524 = 60049^2 + 65718^2 .

It is not a de Polignac number, because 7924737925 - 2⁹ = 7924737413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410986 + ... + 429835.

It is an arithmetic number, because the mean of its divisors is an integer number (456145935).

Almost surely, 2^7924737925 is an apocalyptic number.

It is an amenable number.

7924737925 is a deficient number, since it is larger than the sum of its proper divisors (3022764515).

7924737925 is a wasteful number, since it uses less digits than its factorization.

7924737925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840873 (or 840868 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 55.

The square root of 7924737925 is about 89020.9971018074. The cubic root of 7924737925 is about 1993.7083889862.

The spelling of 7924737925 in words is "seven billion, nine hundred twenty-four million, seven hundred thirty-seven thousand, nine hundred twenty-five".