74300023021 has 8 divisors (see below), whose sum is σ = 85285118720. Its totient is φ = 63407629008.

The previous prime is 74300023019. The next prime is 74300023097. The reversal of 74300023021 is 12032000347.

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 74300023021 - 2¹ = 74300023019 is a prime.

It is a super-2 number, since 2×74300023021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74300022983 and 74300023001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74300023921) 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, 23173701 + ... + 23176906.

It is an arithmetic number, because the mean of its divisors is an integer number (10660639840).

Almost surely, 2^74300023021 is an apocalyptic number.

It is an amenable number.

74300023021 is a deficient number, since it is larger than the sum of its proper divisors (10985095699).

74300023021 is a wasteful number, since it uses less digits than its factorization.

74300023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46350843.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 74300023021 its reverse (12032000347), we get a palindrome (86332023368).

The spelling of 74300023021 in words is "seventy-four billion, three hundred million, twenty-three thousand, twenty-one".