61914770 has 16 divisors (see below), whose sum is σ = 112250880. Its totient is φ = 24587184.

The previous prime is 61914757. The next prime is 61914779. The reversal of 61914770 is 7741916.

It is a self number, because there is not a number n which added to its sum of digits gives 61914770.

It is not an unprimeable number, because it can be changed into a prime (61914779) 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, 20882 + ... + 23661.

It is an arithmetic number, because the mean of its divisors is an integer number (7015680).

Almost surely, 2^61914770 is an apocalyptic number.

61914770 is a deficient number, since it is larger than the sum of its proper divisors (50336110).

61914770 is a wasteful number, since it uses less digits than its factorization.

61914770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44689.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 61914770 is about 7868.5939023437. The cubic root of 61914770 is about 395.6077169928.

The spelling of 61914770 in words is "sixty-one million, nine hundred fourteen thousand, seven hundred seventy".