61233744 has 120 divisors (see below), whose sum is σ = 187481056. Its totient is φ = 17107200.

The previous prime is 61233743. The next prime is 61233749. The reversal of 61233744 is 44733216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61233743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75099 + ... + 75909.

Almost surely, 2^61233744 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 61233744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93740528).

61233744 is an abundant number, since it is smaller than the sum of its proper divisors (126247312).

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

61233744 is a wasteful number, since it uses less digits than its factorization.

61233744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 840 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 61233744 is about 7825.1992945867. The cubic root of 61233744 is about 394.1518821448.

The spelling of 61233744 in words is "sixty-one million, two hundred thirty-three thousand, seven hundred forty-four".