61985622 has 16 divisors (see below), whose sum is σ = 124658352. Its totient is φ = 20547360.

The previous prime is 61985611. The next prime is 61985629. The reversal of 61985622 is 22658916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61985629) 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, 27453 + ... + 29624.

It is an arithmetic number, because the mean of its divisors is an integer number (7791147).

Almost surely, 2^61985622 is an apocalyptic number.

61985622 is an abundant number, since it is smaller than the sum of its proper divisors (62672730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61985622 is a wasteful number, since it uses less digits than its factorization.

61985622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57263.

The product of its digits is 51840, while the sum is 39.

The square root of 61985622 is about 7873.0948171605. The cubic root of 61985622 is about 395.7585636750.

The spelling of 61985622 in words is "sixty-one million, nine hundred eighty-five thousand, six hundred twenty-two".