61490284 has 6 divisors (see below), whose sum is σ = 107608004. Its totient is φ = 30745140.

The previous prime is 61490281. The next prime is 61490333. The reversal of 61490284 is 48209416.

It is not an unprimeable number, because it can be changed into a prime (61490281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7686282 + ... + 7686289.

Almost surely, 2^61490284 is an apocalyptic number.

It is an amenable number.

61490284 is a deficient number, since it is larger than the sum of its proper divisors (46117720).

61490284 is a wasteful number, since it uses less digits than its factorization.

61490284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15372575 (or 15372573 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 61490284 is about 7841.5740766762. The cubic root of 61490284 is about 394.7015509832.

The spelling of 61490284 in words is "sixty-one million, four hundred ninety thousand, two hundred eighty-four".