61992744 has 128 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 16727040.

The previous prime is 61992743. The next prime is 61992757. The reversal of 61992744 is 44729916.

It is a junction number, because it is equal to n+sod(n) for n = 61992696 and 61992705.

It is not an unprimeable number, because it can be changed into a prime (61992743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84909 + ... + 85635.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^61992744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61992744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94348800).

61992744 is an abundant number, since it is smaller than the sum of its proper divisors (126704856).

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

61992744 is a wasteful number, since it uses less digits than its factorization.

61992744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 779 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 61992744 is about 7873.5471040694. The cubic root of 61992744 is about 395.7737203326.

The spelling of 61992744 in words is "sixty-one million, nine hundred ninety-two thousand, seven hundred forty-four".