374355421 has 4 divisors (see below), whose sum is σ = 408387744. Its totient is φ = 340323100.

The previous prime is 374355407. The next prime is 374355427. The reversal of 374355421 is 124553473.

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: 124553473 = 11 ⋅11323043.

It is a cyclic number.

It is not a de Polignac number, because 374355421 - 2¹³ = 374347229 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 (374355427) 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, 17016145 + ... + 17016166.

It is an arithmetic number, because the mean of its divisors is an integer number (102096936).

Almost surely, 2^374355421 is an apocalyptic number.

It is an amenable number.

374355421 is a deficient number, since it is larger than the sum of its proper divisors (34032323).

374355421 is a wasteful number, since it uses less digits than its factorization.

374355421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34032322.

The product of its digits is 50400, while the sum is 34.

The square root of 374355421 is about 19348.2666148676. The cubic root of 374355421 is about 720.7113731791.

The spelling of 374355421 in words is "three hundred seventy-four million, three hundred fifty-five thousand, four hundred twenty-one".