61941744 has 60 divisors (see below), whose sum is σ = 183555216. Its totient is φ = 19431936.

The previous prime is 61941743. The next prime is 61941769. The reversal of 61941744 is 44714916.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 61941699 and 61941708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61941743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10204 + ... + 15099.

Almost surely, 2^61941744 is an apocalyptic number.

It is an amenable number.

61941744 is an abundant number, since it is smaller than the sum of its proper divisors (121613472).

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

61941744 is a wasteful number, since it uses less digits than its factorization.

61941744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25334 (or 25325 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 61941744 is about 7870.3077449360. The cubic root of 61941744 is about 395.6651592545.

The spelling of 61941744 in words is "sixty-one million, nine hundred forty-one thousand, seven hundred forty-four".