61472136 has 64 divisors (see below), whose sum is σ = 177526080. Its totient is φ = 17530880.

The previous prime is 61472129. The next prime is 61472137. The reversal of 61472136 is 63127416.

It is not an unprimeable number, because it can be changed into a prime (61472137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361 + ... + 11336.

It is an arithmetic number, because the mean of its divisors is an integer number (2773845).

Almost surely, 2^61472136 is an apocalyptic number.

61472136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

61472136 is an abundant number, since it is smaller than the sum of its proper divisors (116053944).

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

61472136 is a wasteful number, since it uses less digits than its factorization.

61472136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13734 (or 13730 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 61472136 is about 7840.4168256541. The cubic root of 61472136 is about 394.6627169427.

The spelling of 61472136 in words is "sixty-one million, four hundred seventy-two thousand, one hundred thirty-six".