76752009 has 32 divisors (see below), whose sum is σ = 119145600. Its totient is φ = 48767040.

The previous prime is 76752007. The next prime is 76752019. The reversal of 76752009 is 90025767.

It is not a de Polignac number, because 76752009 - 2¹ = 76752007 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (76752007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64399 + ... + 65579.

It is an arithmetic number, because the mean of its divisors is an integer number (3723300).

Almost surely, 2^76752009 is an apocalyptic number.

It is an amenable number.

76752009 is a deficient number, since it is larger than the sum of its proper divisors (42393591).

76752009 is a wasteful number, since it uses less digits than its factorization.

76752009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 76752009 is about 8760.8223929035. The cubic root of 76752009 is about 424.9748709479.

The spelling of 76752009 in words is "seventy-six million, seven hundred fifty-two thousand, nine".