61902996 has 24 divisors (see below), whose sum is σ = 144572064. Its totient is φ = 20615520.

The previous prime is 61902947. The next prime is 61903003. The reversal of 61902996 is 69920916.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19411 + ... + 22373.

It is an arithmetic number, because the mean of its divisors is an integer number (6023836).

Almost surely, 2^61902996 is an apocalyptic number.

It is an amenable number.

61902996 is an abundant number, since it is smaller than the sum of its proper divisors (82669068).

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

61902996 is a wasteful number, since it uses less digits than its factorization.

61902996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711 (or 4709 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 61902996 is about 7867.8457026050. The cubic root of 61902996 is about 395.5826385366.

The spelling of 61902996 in words is "sixty-one million, nine hundred two thousand, nine hundred ninety-six".