374064021 has 8 divisors (see below), whose sum is σ = 554168960. Its totient is φ = 249375996.

The previous prime is 374063981. The next prime is 374064029. The reversal of 374064021 is 120460473.

It is not a de Polignac number, because 374064021 - 2⁹ = 374063509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 13854223 = 374064021 / (3 + 7 + 4 + 0 + 6 + 4 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374064029) 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, 6927085 + ... + 6927138.

It is an arithmetic number, because the mean of its divisors is an integer number (69271120).

Almost surely, 2^374064021 is an apocalyptic number.

It is an amenable number.

374064021 is a deficient number, since it is larger than the sum of its proper divisors (180104939).

374064021 is a wasteful number, since it uses less digits than its factorization.

374064021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13854232 (or 13854226 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 374064021 is about 19340.7347585349. The cubic root of 374064021 is about 720.5243229427.

The spelling of 374064021 in words is "three hundred seventy-four million, sixty-four thousand, twenty-one".