61919704 has 32 divisors (see below), whose sum is σ = 144748800. Its totient is φ = 24124320.

The previous prime is 61919681. The next prime is 61919707. The reversal of 61919704 is 40791916.

61919704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61919707) 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, 49644 + ... + 50875.

It is an arithmetic number, because the mean of its divisors is an integer number (4523400).

Almost surely, 2^61919704 is an apocalyptic number.

It is an amenable number.

61919704 is an abundant number, since it is smaller than the sum of its proper divisors (82829096).

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

61919704 is a wasteful number, since it uses less digits than its factorization.

61919704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100543 (or 100539 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 61919704 is about 7868.9074209829. The cubic root of 61919704 is about 395.6182253989.

The spelling of 61919704 in words is "sixty-one million, nine hundred nineteen thousand, seven hundred four".