76346561 has 4 divisors (see below), whose sum is σ = 76510512. Its totient is φ = 76182612.

The previous prime is 76346519. The next prime is 76346623. The reversal of 76346561 is 16564367.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76346561 - 2⁶ = 76346497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76346261) 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, 81275 + ... + 82208.

It is an arithmetic number, because the mean of its divisors is an integer number (19127628).

Almost surely, 2^76346561 is an apocalyptic number.

It is an amenable number.

76346561 is a deficient number, since it is larger than the sum of its proper divisors (163951).

76346561 is a wasteful number, since it uses less digits than its factorization.

76346561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163950.

The product of its digits is 90720, while the sum is 38.

The square root of 76346561 is about 8737.6519157037. The cubic root of 76346561 is about 424.2252292895.

The spelling of 76346561 in words is "seventy-six million, three hundred forty-six thousand, five hundred sixty-one".