61042764 has 12 divisors (see below), whose sum is σ = 142433144. Its totient is φ = 20347584.

The previous prime is 61042753. The next prime is 61042771. The reversal of 61042764 is 46724016.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543437 + ... + 2543460.

Almost surely, 2^61042764 is an apocalyptic number.

It is an amenable number.

61042764 is an abundant number, since it is smaller than the sum of its proper divisors (81390380).

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

61042764 is a wasteful number, since it uses less digits than its factorization.

61042764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086904 (or 5086902 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 61042764 is about 7812.9868808286. The cubic root of 61042764 is about 393.7416860930.

The spelling of 61042764 in words is "sixty-one million, forty-two thousand, seven hundred sixty-four".