61272465 has 16 divisors (see below), whose sum is σ = 98280000. Its totient is φ = 32597312.

The previous prime is 61272457. The next prime is 61272493. The reversal of 61272465 is 56427216.

It is a cyclic number.

It is not a de Polignac number, because 61272465 - 2³ = 61272457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1411 + ... + 11159.

It is an arithmetic number, because the mean of its divisors is an integer number (6142500).

Almost surely, 2^61272465 is an apocalyptic number.

It is an amenable number.

61272465 is a deficient number, since it is larger than the sum of its proper divisors (37007535).

61272465 is a wasteful number, since it uses less digits than its factorization.

61272465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176.

The product of its digits is 20160, while the sum is 33.

The square root of 61272465 is about 7827.6730258743. The cubic root of 61272465 is about 394.2349449476.

The spelling of 61272465 in words is "sixty-one million, two hundred seventy-two thousand, four hundred sixty-five".