252073906 has 8 divisors (see below), whose sum is σ = 432126720. Its totient is φ = 108031668.

The previous prime is 252073903. The next prime is 252073949. The reversal of 252073906 is 609370252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (252073903) 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, 9002626 + ... + 9002653.

It is an arithmetic number, because the mean of its divisors is an integer number (54015840).

Almost surely, 2^252073906 is an apocalyptic number.

252073906 is a deficient number, since it is larger than the sum of its proper divisors (180052814).

252073906 is a wasteful number, since it uses less digits than its factorization.

252073906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18005288.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 252073906 is about 15876.8355159333. The cubic root of 252073906 is about 631.6977019937.

The spelling of 252073906 in words is "two hundred fifty-two million, seventy-three thousand, nine hundred six".