61376144 has 20 divisors (see below), whose sum is σ = 124087296. Its totient is φ = 29353632.

The previous prime is 61376141. The next prime is 61376149. The reversal of 61376144 is 44167316.

It is a self number, because there is not a number n which added to its sum of digits gives 61376144.

It is not an unprimeable number, because it can be changed into a prime (61376141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83024 + ... + 83759.

Almost surely, 2^61376144 is an apocalyptic number.

It is an amenable number.

61376144 is an abundant number, since it is smaller than the sum of its proper divisors (62711152).

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

61376144 is a wasteful number, since it uses less digits than its factorization.

61376144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166814 (or 166808 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 61376144 is about 7834.2928206699. The cubic root of 61376144 is about 394.4571810004.

The spelling of 61376144 in words is "sixty-one million, three hundred seventy-six thousand, one hundred forty-four".