61457264 has 40 divisors (see below), whose sum is σ = 134388720. Its totient is φ = 26969600.

The previous prime is 61457257. The next prime is 61457273. The reversal of 61457264 is 46275416.

61457264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (3359718).

Almost surely, 2^61457264 is an apocalyptic number.

It is an amenable number.

61457264 is an abundant number, since it is smaller than the sum of its proper divisors (72931456).

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

61457264 is a wasteful number, since it uses less digits than its factorization.

61457264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12089 (or 12083 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 61457264 is about 7839.4683493206. The cubic root of 61457264 is about 394.6308873599.

The spelling of 61457264 in words is "sixty-one million, four hundred fifty-seven thousand, two hundred sixty-four".