61814942 has 32 divisors (see below), whose sum is σ = 112078080. Its totient is φ = 24978240.

The previous prime is 61814933. The next prime is 61814947. The reversal of 61814942 is 24941816.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61814947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74333 + ... + 75159.

It is an arithmetic number, because the mean of its divisors is an integer number (3502440).

Almost surely, 2^61814942 is an apocalyptic number.

61814942 is a deficient number, since it is larger than the sum of its proper divisors (50263138).

61814942 is a wasteful number, since it uses less digits than its factorization.

61814942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its digits is 13824, while the sum is 35.

The square root of 61814942 is about 7862.2478973891. The cubic root of 61814942 is about 395.3949838463.

The spelling of 61814942 in words is "sixty-one million, eight hundred fourteen thousand, nine hundred forty-two".