374478609 has 16 divisors (see below), whose sum is σ = 505169280. Its totient is φ = 246729600.

The previous prime is 374478593. The next prime is 374478623. The reversal of 374478609 is 906874473.

It is a happy number.

It is not a de Polignac number, because 374478609 - 2⁴ = 374478593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (374478659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283252 + ... + 284570.

It is an arithmetic number, because the mean of its divisors is an integer number (31573080).

Almost surely, 2^374478609 is an apocalyptic number.

It is an amenable number.

374478609 is a deficient number, since it is larger than the sum of its proper divisors (130690671).

374478609 is a wasteful number, since it uses less digits than its factorization.

374478609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 374478609 is about 19351.4497906488. The cubic root of 374478609 is about 720.7904186093.

It can be divided in two parts, 37447 and 8609, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 374478609 in words is "three hundred seventy-four million, four hundred seventy-eight thousand, six hundred nine".