61796997 has 12 divisors (see below), whose sum is σ = 89335584. Its totient is φ = 41164200.

The previous prime is 61796971. The next prime is 61797007. The reversal of 61796997 is 79969716.

It is not a de Polignac number, because 61796997 - 2⁸ = 61796741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61796947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14122 + ... + 17972.

It is an arithmetic number, because the mean of its divisors is an integer number (7444632).

Almost surely, 2^61796997 is an apocalyptic number.

It is an amenable number.

61796997 is a deficient number, since it is larger than the sum of its proper divisors (27538587).

61796997 is a wasteful number, since it uses less digits than its factorization.

61796997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640 (or 5637 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 61796997 is about 7861.1066014907. The cubic root of 61796997 is about 395.3567188279.

The spelling of 61796997 in words is "sixty-one million, seven hundred ninety-six thousand, nine hundred ninety-seven".