76421384 has 32 divisors (see below), whose sum is σ = 154791000. Its totient is φ = 35162112.

The previous prime is 76421383. The next prime is 76421393. The reversal of 76421384 is 48312467.

It can be written as a sum of positive squares in 4 ways, for example, as 41964484 + 34456900 = 6478^2 + 5870^2 .

It is not an unprimeable number, because it can be changed into a prime (76421381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39512 + ... + 41400.

Almost surely, 2^76421384 is an apocalyptic number.

It is an amenable number.

76421384 is an abundant number, since it is smaller than the sum of its proper divisors (78369616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76421384 is a wasteful number, since it uses less digits than its factorization.

76421384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297 (or 2293 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 76421384 is about 8741.9325094627. The cubic root of 76421384 is about 424.3637705244.

The spelling of 76421384 in words is "seventy-six million, four hundred twenty-one thousand, three hundred eighty-four".