61708379 has 12 divisors (see below), whose sum is σ = 65006256. Its totient is φ = 58570512.

The previous prime is 61708363. The next prime is 61708391. The reversal of 61708379 is 97380716.

It is not a de Polignac number, because 61708379 - 2⁴ = 61708363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61708349) 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, 82682 + ... + 83424.

It is an arithmetic number, because the mean of its divisors is an integer number (5417188).

Almost surely, 2^61708379 is an apocalyptic number.

61708379 is a deficient number, since it is larger than the sum of its proper divisors (3297877).

61708379 is a wasteful number, since it uses less digits than its factorization.

61708379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 61708379 is about 7855.4680955370. The cubic root of 61708379 is about 395.1676455500.

The spelling of 61708379 in words is "sixty-one million, seven hundred eight thousand, three hundred seventy-nine".