61919092 has 12 divisors (see below), whose sum is σ = 108415300. Its totient is φ = 30943296.

The previous prime is 61919057. The next prime is 61919101. The reversal of 61919092 is 29091916.

It can be written as a sum of positive squares in 2 ways, for example, as 36072036 + 25847056 = 6006^2 + 5084^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9658 + ... + 14734.

Almost surely, 2^61919092 is an apocalyptic number.

It is an amenable number.

61919092 is a deficient number, since it is larger than the sum of its proper divisors (46496208).

61919092 is a wasteful number, since it uses less digits than its factorization.

61919092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130 (or 8128 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 61919092 is about 7868.8685336584. The cubic root of 61919092 is about 395.6169219950.

The spelling of 61919092 in words is "sixty-one million, nine hundred nineteen thousand, ninety-two".