61490576 has 20 divisors (see below), whose sum is σ = 136157952. Its totient is φ = 26353056.

The previous prime is 61490573. The next prime is 61490579. The reversal of 61490576 is 67509416.

It is an interprime number because it is at equal distance from previous prime (61490573) and next prime (61490579).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (61490573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274400 + ... + 274623.

Almost surely, 2^61490576 is an apocalyptic number.

It is an amenable number.

61490576 is an abundant number, since it is smaller than the sum of its proper divisors (74667376).

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

61490576 is a wasteful number, since it uses less digits than its factorization.

61490576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549038 (or 549032 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 61490576 is about 7841.5926953649. The cubic root of 61490576 is about 394.7021757577.

The spelling of 61490576 in words is "sixty-one million, four hundred ninety thousand, five hundred seventy-six".