76421700 has 54 divisors (see below), whose sum is σ = 239542394. Its totient is φ = 20378880.

The previous prime is 76421693. The next prime is 76421713. The reversal of 76421700 is 712467.

76421700 is a `hidden beast` number, since 7 + 642 + 17 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 627264 + 75794436 = 792^2 + 8706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41557 + ... + 43356.

Almost surely, 2^76421700 is an apocalyptic number.

It is an amenable number.

76421700 is an abundant number, since it is smaller than the sum of its proper divisors (163120694).

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

76421700 is a wasteful number, since it uses less digits than its factorization.

76421700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84933 (or 84923 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 76421700 is about 8741.9505832509. The cubic root of 76421700 is about 424.3643554338.

The spelling of 76421700 in words is "seventy-six million, four hundred twenty-one thousand, seven hundred".