74282201021 has 8 divisors (see below), whose sum is σ = 86868222144. Its totient is φ = 62189749440.

The previous prime is 74282201017. The next prime is 74282201053. The reversal of 74282201021 is 12010228247.

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

It is not a de Polignac number, because 74282201021 - 2² = 74282201017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74282201011) 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, 123392060 + ... + 123392661.

It is an arithmetic number, because the mean of its divisors is an integer number (10858527768).

Almost surely, 2^74282201021 is an apocalyptic number.

It is an amenable number.

74282201021 is a deficient number, since it is larger than the sum of its proper divisors (12586021123).

74282201021 is a wasteful number, since it uses less digits than its factorization.

74282201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246784771.

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 74282201021 its reverse (12010228247), we get a palindrome (86292429268).

The spelling of 74282201021 in words is "seventy-four billion, two hundred eighty-two million, two hundred one thousand, twenty-one".