76464427 has 4 divisors (see below), whose sum is σ = 82346320. Its totient is φ = 70582536.

The previous prime is 76464407. The next prime is 76464431. The reversal of 76464427 is 72446467.

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

It is a cyclic number.

It is not a de Polignac number, because 76464427 - 2¹⁵ = 76431659 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 76464427.

It is not an unprimeable number, because it can be changed into a prime (76464407) 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, 2940927 + ... + 2940952.

It is an arithmetic number, because the mean of its divisors is an integer number (20586580).

Almost surely, 2^76464427 is an apocalyptic number.

76464427 is a deficient number, since it is larger than the sum of its proper divisors (5881893).

76464427 is a wasteful number, since it uses less digits than its factorization.

76464427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881892.

The product of its digits is 225792, while the sum is 40.

The square root of 76464427 is about 8744.3940327504. The cubic root of 76464427 is about 424.4434273804.

The spelling of 76464427 in words is "seventy-six million, four hundred sixty-four thousand, four hundred twenty-seven".