61879532 has 48 divisors (see below), whose sum is σ = 128024064. Its totient is φ = 25800000.

The previous prime is 61879529. The next prime is 61879579. The reversal of 61879532 is 23597816.

61879532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 61879532.

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 15 ways as a sum of consecutive naturals, for example, 143357 + ... + 143787.

It is an arithmetic number, because the mean of its divisors is an integer number (2667168).

Almost surely, 2^61879532 is an apocalyptic number.

It is an amenable number.

61879532 is an abundant number, since it is smaller than the sum of its proper divisors (66144532).

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

61879532 is a wasteful number, since it uses less digits than its factorization.

61879532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 708 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 61879532 is about 7866.3544288317. The cubic root of 61879532 is about 395.5326510582.

The spelling of 61879532 in words is "sixty-one million, eight hundred seventy-nine thousand, five hundred thirty-two".