61047996 has 24 divisors (see below), whose sum is σ = 142606464. Its totient is φ = 20326320.

The previous prime is 61047989. The next prime is 61048027. The reversal of 61047996 is 69974016.

61047996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10761 + ... + 15423.

It is an arithmetic number, because the mean of its divisors is an integer number (5941936).

Almost surely, 2^61047996 is an apocalyptic number.

It is an amenable number.

61047996 is an abundant number, since it is smaller than the sum of its proper divisors (81558468).

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

61047996 is a wasteful number, since it uses less digits than its factorization.

61047996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761 (or 5759 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 61047996 is about 7813.3217007877. The cubic root of 61047996 is about 393.7529350247.

The spelling of 61047996 in words is "sixty-one million, forty-seven thousand, nine hundred ninety-six".