61959622 has 4 divisors (see below), whose sum is σ = 92939436. Its totient is φ = 30979810.

The previous prime is 61959613. The next prime is 61959629. The reversal of 61959622 is 22695916.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61959629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15489904 + ... + 15489907.

It is an arithmetic number, because the mean of its divisors is an integer number (23234859).

Almost surely, 2^61959622 is an apocalyptic number.

61959622 is a deficient number, since it is larger than the sum of its proper divisors (30979814).

61959622 is a wasteful number, since it uses less digits than its factorization.

61959622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30979813.

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

The square root of 61959622 is about 7871.4434508545. The cubic root of 61959622 is about 395.7032220149.

The spelling of 61959622 in words is "sixty-one million, nine hundred fifty-nine thousand, six hundred twenty-two".