61944812 has 12 divisors (see below), whose sum is σ = 112141680. Its totient is φ = 29904336.

The previous prime is 61944803. The next prime is 61944859. The reversal of 61944812 is 21844916.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266888 + ... + 267119.

It is an arithmetic number, because the mean of its divisors is an integer number (9345140).

Almost surely, 2^61944812 is an apocalyptic number.

It is an amenable number.

61944812 is a deficient number, since it is larger than the sum of its proper divisors (50196868).

61944812 is a wasteful number, since it uses less digits than its factorization.

61944812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534040 (or 534038 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 61944812 is about 7870.5026523088. The cubic root of 61944812 is about 395.6716916326.

The spelling of 61944812 in words is "sixty-one million, nine hundred forty-four thousand, eight hundred twelve".