61083960 has 64 divisors (see below), whose sum is σ = 209433600. Its totient is φ = 13961856.

The previous prime is 61083959. The next prime is 61083961. The reversal of 61083960 is 6938016.

It is an interprime number because it is at equal distance from previous prime (61083959) and next prime (61083961).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61083961) 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, 35520 + ... + 37199.

It is an arithmetic number, because the mean of its divisors is an integer number (3272400).

Almost surely, 2^61083960 is an apocalyptic number.

61083960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61083960 is an abundant number, since it is smaller than the sum of its proper divisors (148349640).

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

61083960 is a wasteful number, since it uses less digits than its factorization.

61083960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72740 (or 72736 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 61083960 is about 7815.6228158733. The cubic root of 61083960 is about 393.8302411424.

The spelling of 61083960 in words is "sixty-one million, eighty-three thousand, nine hundred sixty".