76481244 has 36 divisors (see below), whose sum is σ = 220946544. Its totient is φ = 21851712.

The previous prime is 76481239. The next prime is 76481281. The reversal of 76481244 is 44218467.

76481244 is a `hidden beast` number, since 7 + 648 + 1 + 2 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 76481199 and 76481208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151497 + ... + 152000.

It is an arithmetic number, because the mean of its divisors is an integer number (6137404).

Almost surely, 2^76481244 is an apocalyptic number.

It is an amenable number.

76481244 is an abundant number, since it is smaller than the sum of its proper divisors (144465300).

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

76481244 is a wasteful number, since it uses less digits than its factorization.

76481244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303514 (or 303509 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 76481244 is about 8745.3555673855. The cubic root of 76481244 is about 424.4745413775.

The spelling of 76481244 in words is "seventy-six million, four hundred eighty-one thousand, two hundred forty-four".