61782264 has 96 divisors (see below), whose sum is σ = 176707440. Its totient is φ = 20217600.

The previous prime is 61782251. The next prime is 61782353. The reversal of 61782264 is 46228716.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118324 + ... + 118844.

Almost surely, 2^61782264 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 61782264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88353720).

61782264 is an abundant number, since it is smaller than the sum of its proper divisors (114925176).

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

61782264 is a wasteful number, since it uses less digits than its factorization.

61782264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 587 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 61782264 is about 7860.1694638220. The cubic root of 61782264 is about 395.3252973792.

The spelling of 61782264 in words is "sixty-one million, seven hundred eighty-two thousand, two hundred sixty-four".