63761490 has 48 divisors (see below), whose sum is σ = 178535448. Its totient is φ = 15694848.

The previous prime is 63761447. The next prime is 63761501. The reversal of 63761490 is 9416736.

63761490 is a `hidden beast` number, since 6 + 37 + 614 + 9 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35533521 + 28227969 = 5961^2 + 5313^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26079 + ... + 28418.

Almost surely, 2^63761490 is an apocalyptic number.

63761490 is an abundant number, since it is smaller than the sum of its proper divisors (114773958).

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

63761490 is a wasteful number, since it uses less digits than its factorization.

63761490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54523 (or 54520 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 63761490 is about 7985.0792106278. The cubic root of 63761490 is about 399.5024856218.

The spelling of 63761490 in words is "sixty-three million, seven hundred sixty-one thousand, four hundred ninety".