76520611 has 4 divisors (see below), whose sum is σ = 76538992. Its totient is φ = 76502232.

The previous prime is 76520599. The next prime is 76520623. The reversal of 76520611 is 11602567.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (76520599) and next prime (76520623).

It is a cyclic number.

It is not a de Polignac number, because 76520611 - 2²⁵ = 42966179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76520611.

It is not an unprimeable number, because it can be changed into a prime (76520641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370 + ... + 12376.

It is an arithmetic number, because the mean of its divisors is an integer number (19134748).

Almost surely, 2^76520611 is an apocalyptic number.

76520611 is a deficient number, since it is larger than the sum of its proper divisors (18381).

76520611 is a wasteful number, since it uses less digits than its factorization.

76520611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18380.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 76520611 is about 8747.6060153621. The cubic root of 76520611 is about 424.5473584594.

The spelling of 76520611 in words is "seventy-six million, five hundred twenty thousand, six hundred eleven".