61795971 has 12 divisors (see below), whose sum is σ = 90052248. Its totient is φ = 40832064.

The previous prime is 61795967. The next prime is 61796017. The reversal of 61795971 is 17959716.

It is not a de Polignac number, because 61795971 - 2² = 61795967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61795931) 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, 29365 + ... + 31398.

It is an arithmetic number, because the mean of its divisors is an integer number (7504354).

Almost surely, 2^61795971 is an apocalyptic number.

61795971 is a deficient number, since it is larger than the sum of its proper divisors (28256277).

61795971 is a wasteful number, since it uses less digits than its factorization.

61795971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60882 (or 60879 counting only the distinct ones).

The product of its digits is 119070, while the sum is 45.

The square root of 61795971 is about 7861.0413432318. The cubic root of 61795971 is about 395.3545308130.

The spelling of 61795971 in words is "sixty-one million, seven hundred ninety-five thousand, nine hundred seventy-one".