61918674 has 16 divisors (see below), whose sum is σ = 125582400. Its totient is φ = 20348720.

The previous prime is 61918643. The next prime is 61918679. The reversal of 61918674 is 47681916.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61918679) 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, 72249 + ... + 73100.

It is an arithmetic number, because the mean of its divisors is an integer number (7848900).

Almost surely, 2^61918674 is an apocalyptic number.

61918674 is an abundant number, since it is smaller than the sum of its proper divisors (63663726).

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

61918674 is a wasteful number, since it uses less digits than its factorization.

61918674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145425.

The product of its digits is 72576, while the sum is 42.

The square root of 61918674 is about 7868.8419732512. The cubic root of 61918674 is about 395.6160317567.

The spelling of 61918674 in words is "sixty-one million, nine hundred eighteen thousand, six hundred seventy-four".