61275460 has 24 divisors (see below), whose sum is σ = 128955456. Its totient is φ = 24457440.

The previous prime is 61275457. The next prime is 61275469. The reversal of 61275460 is 6457216.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61275469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7015 + ... + 13105.

It is an arithmetic number, because the mean of its divisors is an integer number (5373144).

Almost surely, 2^61275460 is an apocalyptic number.

It is an amenable number.

61275460 is an abundant number, since it is smaller than the sum of its proper divisors (67679996).

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

61275460 is a wasteful number, since it uses less digits than its factorization.

61275460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603 (or 6601 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 61275460 is about 7827.8643319874. The cubic root of 61275460 is about 394.2413682484.

The spelling of 61275460 in words is "sixty-one million, two hundred seventy-five thousand, four hundred sixty".