61575316 has 12 divisors (see below), whose sum is σ = 117552960. Its totient is φ = 27988760.

The previous prime is 61575313. The next prime is 61575329. The reversal of 61575316 is 61357516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61575313) 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, 699676 + ... + 699763.

It is an arithmetic number, because the mean of its divisors is an integer number (9796080).

Almost surely, 2^61575316 is an apocalyptic number.

It is an amenable number.

61575316 is a deficient number, since it is larger than the sum of its proper divisors (55977644).

61575316 is a wasteful number, since it uses less digits than its factorization.

61575316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399454 (or 1399452 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 61575316 is about 7846.9940741662. The cubic root of 61575316 is about 394.8834052070.

The spelling of 61575316 in words is "sixty-one million, five hundred seventy-five thousand, three hundred sixteen".