61976375 has 16 divisors (see below), whose sum is σ = 80713152. Its totient is φ = 47423200.

The previous prime is 61976371. The next prime is 61976389. The reversal of 61976375 is 57367916.

It is not a de Polignac number, because 61976375 - 2² = 61976371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61976371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7904 + ... + 13653.

It is an arithmetic number, because the mean of its divisors is an integer number (5044572).

Almost surely, 2^61976375 is an apocalyptic number.

61976375 is a deficient number, since it is larger than the sum of its proper divisors (18736777).

61976375 is a wasteful number, since it uses less digits than its factorization.

61976375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21595 (or 21585 counting only the distinct ones).

The product of its digits is 238140, while the sum is 44.

The square root of 61976375 is about 7872.5075420732. The cubic root of 61976375 is about 395.7388829742.

The spelling of 61976375 in words is "sixty-one million, nine hundred seventy-six thousand, three hundred seventy-five".