61794918 has 12 divisors (see below), whose sum is σ = 133889028. Its totient is φ = 20598300.

The previous prime is 61794899. The next prime is 61794959. The reversal of 61794918 is 81949716.

It is a happy number.

It is a super-2 number, since 2×61794918² = 7637223781253448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1716508 + ... + 1716543.

It is an arithmetic number, because the mean of its divisors is an integer number (11157419).

Almost surely, 2^61794918 is an apocalyptic number.

61794918 is an abundant number, since it is smaller than the sum of its proper divisors (72094110).

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

61794918 is a wasteful number, since it uses less digits than its factorization.

61794918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433059 (or 3433056 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 61794918 is about 7860.9743670871. The cubic root of 61794918 is about 395.3522851937.

The spelling of 61794918 in words is "sixty-one million, seven hundred ninety-four thousand, nine hundred eighteen".