61377892 has 24 divisors (see below), whose sum is σ = 115702272. Its totient is φ = 28406400.

The previous prime is 61377887. The next prime is 61377893. The reversal of 61377892 is 29877316.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61377893) 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, 7909 + ... + 13612.

It is an arithmetic number, because the mean of its divisors is an integer number (4820928).

Almost surely, 2^61377892 is an apocalyptic number.

61377892 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61377892 is a deficient number, since it is larger than the sum of its proper divisors (54324380).

61377892 is a wasteful number, since it uses less digits than its factorization.

61377892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21579 (or 21577 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 61377892 is about 7834.4043806789. The cubic root of 61377892 is about 394.4609256943.

The spelling of 61377892 in words is "sixty-one million, three hundred seventy-seven thousand, eight hundred ninety-two".