74453746137 has 8 divisors (see below), whose sum is σ = 99996272736. Its totient is φ = 49273525152.

The previous prime is 74453746093. The next prime is 74453746229. The reversal of 74453746137 is 73164735447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74453746137 - 2⁸ = 74453745881 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 74453746137.

It is not an unprimeable number, because it can be changed into a prime (74453744137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90575923 + ... + 90576744.

It is an arithmetic number, because the mean of its divisors is an integer number (12499534092).

Almost surely, 2^74453746137 is an apocalyptic number.

It is an amenable number.

74453746137 is a deficient number, since it is larger than the sum of its proper divisors (25542526599).

74453746137 is a wasteful number, since it uses less digits than its factorization.

74453746137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181152807.

The product of its digits is 5927040, while the sum is 51.

The spelling of 74453746137 in words is "seventy-four billion, four hundred fifty-three million, seven hundred forty-six thousand, one hundred thirty-seven".