61275432 has 32 divisors (see below), whose sum is σ = 154915200. Its totient is φ = 20194944.

The previous prime is 61275419. The next prime is 61275433. The reversal of 61275432 is 23457216.

It is a self number, because there is not a number n which added to its sum of digits gives 61275432.

It is not an unprimeable number, because it can be changed into a prime (61275433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12208 + ... + 16479.

It is an arithmetic number, because the mean of its divisors is an integer number (4841100).

Almost surely, 2^61275432 is an apocalyptic number.

It is an amenable number.

61275432 is an abundant number, since it is smaller than the sum of its proper divisors (93639768).

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

61275432 is a wasteful number, since it uses less digits than its factorization.

61275432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28785 (or 28781 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 61275432 is about 7827.8625435045. The cubic root of 61275432 is about 394.2413081985.

The spelling of 61275432 in words is "sixty-one million, two hundred seventy-five thousand, four hundred thirty-two".