372409465 has 4 divisors (see below), whose sum is σ = 446891364. Its totient is φ = 297927568.

The previous prime is 372409459. The next prime is 372409469. The reversal of 372409465 is 564904273.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243609664 + 128799801 = 15608^2 + 11349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-372409465 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372409469) 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, 37240942 + ... + 37240951.

It is an arithmetic number, because the mean of its divisors is an integer number (111722841).

Almost surely, 2^372409465 is an apocalyptic number.

It is an amenable number.

372409465 is a deficient number, since it is larger than the sum of its proper divisors (74481899).

372409465 is an equidigital number, since it uses as much as digits as its factorization.

372409465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74481898.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 372409465 is about 19297.9134882505. The cubic root of 372409465 is about 719.4604142664.

The spelling of 372409465 in words is "three hundred seventy-two million, four hundred nine thousand, four hundred sixty-five".