61488172 has 12 divisors (see below), whose sum is σ = 107712976. Its totient is φ = 30713040.

The previous prime is 61488169. The next prime is 61488181. The reversal of 61488172 is 27188416.

61488172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2979 + ... + 11482.

Almost surely, 2^61488172 is an apocalyptic number.

It is an amenable number.

61488172 is a deficient number, since it is larger than the sum of its proper divisors (46224804).

61488172 is a wasteful number, since it uses less digits than its factorization.

61488172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15528 (or 15526 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 61488172 is about 7841.4394086800. The cubic root of 61488172 is about 394.6970320080.

The spelling of 61488172 in words is "sixty-one million, four hundred eighty-eight thousand, one hundred seventy-two".