61142684 has 24 divisors (see below), whose sum is σ = 112882560. Its totient is φ = 28897776.

The previous prime is 61142681. The next prime is 61142699. The reversal of 61142684 is 48624116.

It is a self number, because there is not a number n which added to its sum of digits gives 61142684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61142681) 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, 66959 + ... + 67865.

It is an arithmetic number, because the mean of its divisors is an integer number (4703440).

Almost surely, 2^61142684 is an apocalyptic number.

It is an amenable number.

61142684 is a deficient number, since it is larger than the sum of its proper divisors (51739876).

61142684 is a wasteful number, since it uses less digits than its factorization.

61142684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817 (or 1815 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 61142684 is about 7819.3787477011. The cubic root of 61142684 is about 393.9564056313.

The spelling of 61142684 in words is "sixty-one million, one hundred forty-two thousand, six hundred eighty-four".