73861261092 has 36 divisors (see below), whose sum is σ = 189334506816. Its totient is φ = 24273653040.

The previous prime is 73861261057. The next prime is 73861261099. The reversal of 73861261092 is 29016216837.

73861261092 is a `hidden beast` number, since 7 + 386 + 1 + 261 + 0 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (73861261099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14446048 + ... + 14451159.

It is an arithmetic number, because the mean of its divisors is an integer number (5259291856).

Almost surely, 2^73861261092 is an apocalyptic number.

It is an amenable number.

73861261092 is an abundant number, since it is smaller than the sum of its proper divisors (115473245724).

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

73861261092 is a wasteful number, since it uses less digits than its factorization.

73861261092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28897288 (or 28897283 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 73861261092 in words is "seventy-three billion, eight hundred sixty-one million, two hundred sixty-one thousand, ninety-two".