61488976 has 30 divisors (see below), whose sum is σ = 121572266. Its totient is φ = 30120000.

The previous prime is 61488967. The next prime is 61488989. The reversal of 61488976 is 67988416.

It can be written as a sum of positive squares in only one way, i.e., 36288576 + 25200400 = 6024^2 + 5020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244851 + ... + 245101.

Almost surely, 2^61488976 is an apocalyptic number.

It is an amenable number.

61488976 is a deficient number, since it is larger than the sum of its proper divisors (60083290).

61488976 is an equidigital number, since it uses as much as digits as its factorization.

61488976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 314 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 61488976 is about 7841.4906746103. The cubic root of 61488976 is about 394.6987523119.

The spelling of 61488976 in words is "sixty-one million, four hundred eighty-eight thousand, nine hundred seventy-six".