374419621 has 2 divisors, whose sum is σ = 374419622. Its totient is φ = 374419620.

The previous prime is 374419603. The next prime is 374419627. The reversal of 374419621 is 126914473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364275396 + 10144225 = 19086^2 + 3185^2 .

It is a cyclic number.

It is not a de Polignac number, because 374419621 - 2⁹ = 374419109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374419627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187209810 + 187209811.

It is an arithmetic number, because the mean of its divisors is an integer number (187209811).

Almost surely, 2^374419621 is an apocalyptic number.

It is an amenable number.

374419621 is a deficient number, since it is larger than the sum of its proper divisors (1).

374419621 is an equidigital number, since it uses as much as digits as its factorization.

374419621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 374419621 is about 19349.9256070921. The cubic root of 374419621 is about 720.7525702366.

The spelling of 374419621 in words is "three hundred seventy-four million, four hundred nineteen thousand, six hundred twenty-one".