61908192 has 96 divisors (see below), whose sum is σ = 183052800. Its totient is φ = 20352384.

The previous prime is 61908179. The next prime is 61908199. The reversal of 61908192 is 29180916.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61908199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67803 + ... + 68709.

It is an arithmetic number, because the mean of its divisors is an integer number (1906800).

Almost surely, 2^61908192 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 61908192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91526400).

61908192 is an abundant number, since it is smaller than the sum of its proper divisors (121144608).

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

61908192 is a wasteful number, since it uses less digits than its factorization.

61908192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 61908192 is about 7868.1759004232. The cubic root of 61908192 is about 395.5937063363.

The spelling of 61908192 in words is "sixty-one million, nine hundred eight thousand, one hundred ninety-two".