61979701 has 8 divisors (see below), whose sum is σ = 71804864. Its totient is φ = 52397280.

The previous prime is 61979693. The next prime is 61979713. The reversal of 61979701 is 10797916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61979701 - 2³ = 61979693 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 (61979791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60135 + ... + 61156.

It is an arithmetic number, because the mean of its divisors is an integer number (8975608).

Almost surely, 2^61979701 is an apocalyptic number.

It is an amenable number.

61979701 is a deficient number, since it is larger than the sum of its proper divisors (9825163).

61979701 is a wasteful number, since it uses less digits than its factorization.

61979701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121371.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 61979701 is about 7872.7187807009. The cubic root of 61979701 is about 395.7459620372.

The spelling of 61979701 in words is "sixty-one million, nine hundred seventy-nine thousand, seven hundred one".