61875616 has 24 divisors (see below), whose sum is σ = 132892704. Its totient is φ = 28125120.

The previous prime is 61875613. The next prime is 61875617. The reversal of 61875616 is 61657816.

It is not an unprimeable number, because it can be changed into a prime (61875613) 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, 87540 + ... + 88243.

It is an arithmetic number, because the mean of its divisors is an integer number (5537196).

Almost surely, 2^61875616 is an apocalyptic number.

It is an amenable number.

61875616 is an abundant number, since it is smaller than the sum of its proper divisors (71017088).

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

61875616 is a wasteful number, since it uses less digits than its factorization.

61875616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175804 (or 175796 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 61875616 is about 7866.1055167090. The cubic root of 61875616 is about 395.5243072193.

The spelling of 61875616 in words is "sixty-one million, eight hundred seventy-five thousand, six hundred sixteen".