61270464 has 28 divisors (see below), whose sum is σ = 162111944. Its totient is φ = 20423424.

The previous prime is 61270457. The next prime is 61270471. The reversal of 61270464 is 46407216.

61270464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61270457) and next prime (61270471).

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 3 ways as a sum of consecutive naturals, for example, 159367 + ... + 159750.

Almost surely, 2^61270464 is an apocalyptic number.

61270464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61270464 is an abundant number, since it is smaller than the sum of its proper divisors (100841480).

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

61270464 is a wasteful number, since it uses less digits than its factorization.

61270464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319132 (or 319122 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 61270464 is about 7827.5452090678. The cubic root of 61270464 is about 394.2306533368.

The spelling of 61270464 in words is "sixty-one million, two hundred seventy thousand, four hundred sixty-four".