61836942 has 8 divisors (see below), whose sum is σ = 123673896. Its totient is φ = 20612312.

The previous prime is 61836941. The next prime is 61836989. The reversal of 61836942 is 24963816.

It is a sphenic number, since it is the product of 3 distinct primes.

61836942 is an admirable number.

It is a super-2 number, since 2×61836942² = 7647614791822728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61836942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61836941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5153073 + ... + 5153084.

It is an arithmetic number, because the mean of its divisors is an integer number (15459237).

Almost surely, 2^61836942 is an apocalyptic number.

61836942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61836942 is a wasteful number, since it uses less digits than its factorization.

61836942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10306162.

The product of its digits is 62208, while the sum is 39.

The square root of 61836942 is about 7863.6468638921. The cubic root of 61836942 is about 395.4418854401.

The spelling of 61836942 in words is "sixty-one million, eight hundred thirty-six thousand, nine hundred forty-two".