61918476 has 24 divisors (see below), whose sum is σ = 144606000. Its totient is φ = 20620992.

The previous prime is 61918459. The next prime is 61918481. The reversal of 61918476 is 67481916.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21150 + ... + 23898.

It is an arithmetic number, because the mean of its divisors is an integer number (6025250).

Almost surely, 2^61918476 is an apocalyptic number.

It is an amenable number.

61918476 is an abundant number, since it is smaller than the sum of its proper divisors (82687524).

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

61918476 is a wasteful number, since it uses less digits than its factorization.

61918476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4631 counting only the distinct ones).

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

The square root of 61918476 is about 7868.8293919744. The cubic root of 61918476 is about 395.6156100634.

The spelling of 61918476 in words is "sixty-one million, nine hundred eighteen thousand, four hundred seventy-six".