61622959 has 8 divisors (see below), whose sum is σ = 64018080. Its totient is φ = 59270400.

The previous prime is 61622933. The next prime is 61622983. The reversal of 61622959 is 95922616.

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 61622959 - 2⁵ = 61622927 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 (61622989) 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, 7674 + ... + 13495.

It is an arithmetic number, because the mean of its divisors is an integer number (8002260).

Almost surely, 2^61622959 is an apocalyptic number.

61622959 is a deficient number, since it is larger than the sum of its proper divisors (2395121).

61622959 is a wasteful number, since it uses less digits than its factorization.

61622959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21281.

The product of its digits is 58320, while the sum is 40.

The square root of 61622959 is about 7850.0292356143. The cubic root of 61622959 is about 394.9852240374.

The spelling of 61622959 in words is "sixty-one million, six hundred twenty-two thousand, nine hundred fifty-nine".