61607680 has 36 divisors (see below), whose sum is σ = 147572712. Its totient is φ = 24642560.

The previous prime is 61607659. The next prime is 61607681. The reversal of 61607680 is 8670616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61607681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22786 + ... + 25345.

It is an arithmetic number, because the mean of its divisors is an integer number (4099242).

Almost surely, 2^61607680 is an apocalyptic number.

It is an amenable number.

61607680 is an abundant number, since it is smaller than the sum of its proper divisors (85965032).

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

61607680 is an equidigital number, since it uses as much as digits as its factorization.

61607680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48152 (or 48138 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 61607680 is about 7849.0559941945. The cubic root of 61607680 is about 394.9525766919.

The spelling of 61607680 in words is "sixty-one million, six hundred seven thousand, six hundred eighty".