74401311973 has 8 divisors (see below), whose sum is σ = 77638889088. Its totient is φ = 71163963024.

The previous prime is 74401311931. The next prime is 74401311989. The reversal of 74401311973 is 37911310447.

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 74401311973 - 2²¹ = 74399214821 is a prime.

It is a super-3 number, since 3×74401311973³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74401311073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184640 + ... + 1245862.

It is an arithmetic number, because the mean of its divisors is an integer number (9704861136).

Almost surely, 2^74401311973 is an apocalyptic number.

It is an amenable number.

74401311973 is a deficient number, since it is larger than the sum of its proper divisors (3237577115).

74401311973 is a wasteful number, since it uses less digits than its factorization.

74401311973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114083.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 74401311973 in words is "seventy-four billion, four hundred one million, three hundred eleven thousand, nine hundred seventy-three".