74461718403072 has 2304 divisors, whose sum is σ = 315245506867200. Its totient is φ = 16911180103680.

The previous prime is 74461718403071. The next prime is 74461718403097. The reversal of 74461718403072 is 27030481716447.

It is a happy number.

74461718403072 is a `hidden beast` number, since 7 + 4 + 4 + 617 + 18 + 4 + 0 + 3 + 0 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74461718403071) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9465067683 + ... + 9465075549.

It is an arithmetic number, because the mean of its divisors is an integer number (136825306800).

Almost surely, 2^{74461718403072} is an apocalyptic number.

74461718403072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74461718403072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157622753433600).

74461718403072 is an abundant number, since it is smaller than the sum of its proper divisors (240783788464128).

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

74461718403072 is a wasteful number, since it uses less digits than its factorization.

74461718403072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7954 (or 7922 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 74461718403072 in words is "seventy-four trillion, four hundred sixty-one billion, seven hundred eighteen million, four hundred three thousand, seventy-two".