74297446124172 has 12 divisors (see below), whose sum is σ = 173360707623096. Its totient is φ = 24765815374720.

The previous prime is 74297446124113. The next prime is 74297446124173. The reversal of 74297446124172 is 27142164479247.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×74297446124172² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74297446124173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3095726921829 + ... + 3095726921852.

It is an arithmetic number, because the mean of its divisors is an integer number (14446725635258).

Almost surely, 2^{74297446124172} is an apocalyptic number.

It is an amenable number.

74297446124172 is an abundant number, since it is smaller than the sum of its proper divisors (99063261498924).

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

74297446124172 is a wasteful number, since it uses less digits than its factorization.

74297446124172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191453843688 (or 6191453843686 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 60.

The spelling of 74297446124172 in words is "seventy-four trillion, two hundred ninety-seven billion, four hundred forty-six million, one hundred twenty-four thousand, one hundred seventy-two".