74424877793281 has 8 divisors (see below), whose sum is σ = 74652003969920. Its totient is φ = 74197883865168.

The previous prime is 74424877793257. The next prime is 74424877793303. The reversal of 74424877793281 is 18239777842447.

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

It is a cyclic number.

It is not a de Polignac number, because 74424877793281 - 2⁷ = 74424877793153 is a prime.

It is a super-2 number, since 2×74424877793281² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74424877791281) 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, 31934826 + ... + 34186003.

It is an arithmetic number, because the mean of its divisors is an integer number (9331500496240).

Almost surely, 2^{74424877793281} is an apocalyptic number.

It is an amenable number.

74424877793281 is a deficient number, since it is larger than the sum of its proper divisors (227126176639).

74424877793281 is a wasteful number, since it uses less digits than its factorization.

74424877793281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66124263.

The product of its digits is 1062125568, while the sum is 73.

The spelling of 74424877793281 in words is "seventy-four trillion, four hundred twenty-four billion, eight hundred seventy-seven million, seven hundred ninety-three thousand, two hundred eighty-one".