61356572 has 6 divisors (see below), whose sum is σ = 107374008. Its totient is φ = 30678284.

The previous prime is 61356557. The next prime is 61356593. The reversal of 61356572 is 27565316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7669568 + ... + 7669575.

It is an arithmetic number, because the mean of its divisors is an integer number (17895668).

Almost surely, 2^61356572 is an apocalyptic number.

It is an amenable number.

61356572 is a deficient number, since it is larger than the sum of its proper divisors (46017436).

61356572 is a wasteful number, since it uses less digits than its factorization.

61356572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15339147 (or 15339145 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 61356572 is about 7833.0435974786. The cubic root of 61356572 is about 394.4152475704.

The spelling of 61356572 in words is "sixty-one million, three hundred fifty-six thousand, five hundred seventy-two".