61948782 has 48 divisors (see below), whose sum is σ = 162425952. Its totient is φ = 16657920.

The previous prime is 61948771. The next prime is 61948787. The reversal of 61948782 is 28784916.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61948787) 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, 12319 + ... + 16602.

It is an arithmetic number, because the mean of its divisors is an integer number (3383874).

Almost surely, 2^61948782 is an apocalyptic number.

61948782 is an abundant number, since it is smaller than the sum of its proper divisors (100477170).

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

61948782 is a wasteful number, since it uses less digits than its factorization.

61948782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28953 (or 28950 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 61948782 is about 7870.7548557937. The cubic root of 61948782 is about 395.6801442267.

The spelling of 61948782 in words is "sixty-one million, nine hundred forty-eight thousand, seven hundred eighty-two".