61337872 has 20 divisors (see below), whose sum is σ = 124009920. Its totient is φ = 29335328.

The previous prime is 61337831. The next prime is 61337873. The reversal of 61337872 is 27873316.

61337872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61337873) by changing a digit.

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, 82972 + ... + 83707.

It is an arithmetic number, because the mean of its divisors is an integer number (6200496).

Almost surely, 2^61337872 is an apocalyptic number.

It is an amenable number.

61337872 is an abundant number, since it is smaller than the sum of its proper divisors (62672048).

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

61337872 is a wasteful number, since it uses less digits than its factorization.

61337872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166710 (or 166704 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 61337872 is about 7831.8498453431. The cubic root of 61337872 is about 394.3751740878.

The spelling of 61337872 in words is "sixty-one million, three hundred thirty-seven thousand, eight hundred seventy-two".