61922538 has 24 divisors (see below), whose sum is σ = 134316000. Its totient is φ = 20617704.

The previous prime is 61922513. The next prime is 61922543. The reversal of 61922538 is 83522916.

61922538 is a `hidden beast` number, since 619 + 2 + 2 + 5 + 38 = 666.

It is a super-2 number, since 2×61922538² = 7668801424722888, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23953 + ... + 26411.

It is an arithmetic number, because the mean of its divisors is an integer number (5596500).

Almost surely, 2^61922538 is an apocalyptic number.

61922538 is an abundant number, since it is smaller than the sum of its proper divisors (72393462).

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

61922538 is a wasteful number, since it uses less digits than its factorization.

61922538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866 (or 3863 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 61922538 is about 7869.0874947480. The cubic root of 61922538 is about 395.6242609841.

The spelling of 61922538 in words is "sixty-one million, nine hundred twenty-two thousand, five hundred thirty-eight".