370040009 has 4 divisors (see below), whose sum is σ = 370403460. Its totient is φ = 369676560.

The previous prime is 370039987. The next prime is 370040039. The reversal of 370040009 is 900040073.

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 324180025 + 45859984 = 18005^2 + 6772^2 .

It is a cyclic number.

It is not a de Polignac number, because 370040009 - 2⁸ = 370039753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (370040039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180194 + ... + 182235.

It is an arithmetic number, because the mean of its divisors is an integer number (92600865).

Almost surely, 2^370040009 is an apocalyptic number.

It is an amenable number.

370040009 is a deficient number, since it is larger than the sum of its proper divisors (363451).

370040009 is a wasteful number, since it uses less digits than its factorization.

370040009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363450.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 370040009 is about 19236.4240179925. The cubic root of 370040009 is about 717.9313105612.

The spelling of 370040009 in words is "three hundred seventy million, forty thousand, nine".