76464381 has 16 divisors (see below), whose sum is σ = 116734464. Its totient is φ = 43612464.

The previous prime is 76464371. The next prime is 76464407. The reversal of 76464381 is 18346467.

It is not a de Polignac number, because 76464381 - 2²¹ = 74367229 is a prime.

It is a super-2 number, since 2×76464381² = 11693603123426322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76464301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9226 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (7295904).

Almost surely, 2^76464381 is an apocalyptic number.

It is an amenable number.

76464381 is a deficient number, since it is larger than the sum of its proper divisors (40270083).

76464381 is a wasteful number, since it uses less digits than its factorization.

76464381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800.

The product of its digits is 96768, while the sum is 39.

The square root of 76464381 is about 8744.3914024934. The cubic root of 76464381 is about 424.4433422671.

The spelling of 76464381 in words is "seventy-six million, four hundred sixty-four thousand, three hundred eighty-one".