73857331891392 has 112 divisors (see below), whose sum is σ = 233040525568512. Its totient is φ = 20184612433920.

The previous prime is 73857331891361. The next prime is 73857331891457. The reversal of 73857331891392 is 29319813375837.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1194607609 + ... + 1194669432.

Almost surely, 2^{73857331891392} is an apocalyptic number.

It is an amenable number.

73857331891392 is an abundant number, since it is smaller than the sum of its proper divisors (159183193677120).

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

73857331891392 is a wasteful number, since it uses less digits than its factorization.

73857331891392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389277086 (or 2389277076 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 69.

The spelling of 73857331891392 in words is "seventy-three trillion, eight hundred fifty-seven billion, three hundred thirty-one million, eight hundred ninety-one thousand, three hundred ninety-two".