374544421 has 4 divisors (see below), whose sum is σ = 374668992. Its totient is φ = 374419852.

The previous prime is 374544407. The next prime is 374544479. The reversal of 374544421 is 124445473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124445473 = 6257 ⋅19889.

It is a cyclic number.

It is not a de Polignac number, because 374544421 - 2⁹ = 374543909 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 (374244421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57661 + ... + 63826.

It is an arithmetic number, because the mean of its divisors is an integer number (93667248).

Almost surely, 2^374544421 is an apocalyptic number.

It is an amenable number.

374544421 is a deficient number, since it is larger than the sum of its proper divisors (124571).

374544421 is a wasteful number, since it uses less digits than its factorization.

374544421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124570.

The product of its digits is 53760, while the sum is 34.

The square root of 374544421 is about 19353.1501570158. The cubic root of 374544421 is about 720.8326407632.

Adding to 374544421 its reverse (124445473), we get a palindrome (498989894).

The spelling of 374544421 in words is "three hundred seventy-four million, five hundred forty-four thousand, four hundred twenty-one".