61914590 has 16 divisors (see below), whose sum is σ = 111555360. Its totient is φ = 24741600.

The previous prime is 61914583. The next prime is 61914613. The reversal of 61914590 is 9541916.

It is a self number, because there is not a number n which added to its sum of digits gives 61914590.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10631 + ... + 15389.

It is an arithmetic number, because the mean of its divisors is an integer number (6972210).

Almost surely, 2^61914590 is an apocalyptic number.

61914590 is a deficient number, since it is larger than the sum of its proper divisors (49640770).

61914590 is a wasteful number, since it uses less digits than its factorization.

61914590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6067.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 61914590 is about 7868.5824644595. The cubic root of 61914590 is about 395.6073336193.

The spelling of 61914590 in words is "sixty-one million, nine hundred fourteen thousand, five hundred ninety".