61945392 has 40 divisors (see below), whose sum is σ = 165547440. Its totient is φ = 19936000.

The previous prime is 61945381. The next prime is 61945397. The reversal of 61945392 is 29354916.

It is a self number, because there is not a number n which added to its sum of digits gives 61945392.

It is not an unprimeable number, because it can be changed into a prime (61945397) 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, 20859 + ... + 23642.

It is an arithmetic number, because the mean of its divisors is an integer number (4138686).

Almost surely, 2^61945392 is an apocalyptic number.

It is an amenable number.

61945392 is an abundant number, since it is smaller than the sum of its proper divisors (103602048).

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

61945392 is a wasteful number, since it uses less digits than its factorization.

61945392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44541 (or 44535 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 61945392 is about 7870.5394986621. The cubic root of 61945392 is about 395.6729265429.

The spelling of 61945392 in words is "sixty-one million, nine hundred forty-five thousand, three hundred ninety-two".