74045077481 has 8 divisors (see below), whose sum is σ = 78404659200. Its totient is φ = 69685939008.

The previous prime is 74045077471. The next prime is 74045077487. The reversal of 74045077481 is 18477054047.

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 74045077481 - 2¹⁸ = 74044815337 is a prime.

It is a super-2 number, since 2×74045077481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74045077487) 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, 270680 + ... + 470486.

It is an arithmetic number, because the mean of its divisors is an integer number (9800582400).

Almost surely, 2^74045077481 is an apocalyptic number.

It is an amenable number.

74045077481 is a deficient number, since it is larger than the sum of its proper divisors (4359581719).

74045077481 is a wasteful number, since it uses less digits than its factorization.

74045077481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221623.

The product of its (nonzero) digits is 878080, while the sum is 47.

The spelling of 74045077481 in words is "seventy-four billion, forty-five million, seventy-seven thousand, four hundred eighty-one".