76737425 has 6 divisors (see below), whose sum is σ = 95154438. Its totient is φ = 61389920.

The previous prime is 76737383. The next prime is 76737433. The reversal of 76737425 is 52473767.

It can be written as a sum of positive squares in 3 ways, for example, as 19704721 + 57032704 = 4439^2 + 7552^2 .

It is not a de Polignac number, because 76737425 - 2⁸ = 76737169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1534724 + ... + 1534773.

It is an arithmetic number, because the mean of its divisors is an integer number (15859073).

Almost surely, 2^76737425 is an apocalyptic number.

It is an amenable number.

76737425 is a deficient number, since it is larger than the sum of its proper divisors (18417013).

76737425 is a wasteful number, since it uses less digits than its factorization.

76737425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069507 (or 3069502 counting only the distinct ones).

The product of its digits is 246960, while the sum is 41.

The square root of 76737425 is about 8759.9900114098. The cubic root of 76737425 is about 424.9479521037.

Adding to 76737425 its sum of digits (41), we get a triangular number (76737466 = T₁₂₃₈₈).

The spelling of 76737425 in words is "seventy-six million, seven hundred thirty-seven thousand, four hundred twenty-five".