61347912 has 16 divisors (see below), whose sum is σ = 153369840. Its totient is φ = 20449296.

The previous prime is 61347911. The next prime is 61347929. The reversal of 61347912 is 21974316.

It is a hoax number, since the sum of its digits (33) 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 (61347911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278058 + ... + 1278105.

It is an arithmetic number, because the mean of its divisors is an integer number (9585615).

Almost surely, 2^61347912 is an apocalyptic number.

It is an amenable number.

61347912 is an abundant number, since it is smaller than the sum of its proper divisors (92021928).

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

61347912 is a wasteful number, since it uses less digits than its factorization.

61347912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556172 (or 2556168 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 61347912 is about 7832.4907915682. The cubic root of 61347912 is about 394.3966904887.

The spelling of 61347912 in words is "sixty-one million, three hundred forty-seven thousand, nine hundred twelve".