61813392 has 40 divisors (see below), whose sum is σ = 161715840. Its totient is φ = 20342400.

The previous prime is 61813379. The next prime is 61813393. The reversal of 61813392 is 29331816.

61813392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61813393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4359 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (4042896).

Almost surely, 2^61813392 is an apocalyptic number.

It is an amenable number.

61813392 is an abundant number, since it is smaller than the sum of its proper divisors (99902448).

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

61813392 is a wasteful number, since it uses less digits than its factorization.

61813392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16391 (or 16385 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 61813392 is about 7862.1493244532. The cubic root of 61813392 is about 395.3916789963.

The spelling of 61813392 in words is "sixty-one million, eight hundred thirteen thousand, three hundred ninety-two".