374148421 has 4 divisors (see below), whose sum is σ = 375136000. Its totient is φ = 373160844.

The previous prime is 374148419. The next prime is 374148431. The reversal of 374148421 is 124841473.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 374148421 - 2¹ = 374148419 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 (374148431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493221 + ... + 493978.

It is an arithmetic number, because the mean of its divisors is an integer number (93784000).

Almost surely, 2^374148421 is an apocalyptic number.

It is an amenable number.

374148421 is a deficient number, since it is larger than the sum of its proper divisors (987579).

374148421 is an equidigital number, since it uses as much as digits as its factorization.

374148421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987578.

The product of its digits is 21504, while the sum is 34.

The square root of 374148421 is about 19342.9165587819. The cubic root of 374148421 is about 720.5785094601.

Adding to 374148421 its reverse (124841473), we get a palindrome (498989894).

The spelling of 374148421 in words is "three hundred seventy-four million, one hundred forty-eight thousand, four hundred twenty-one".