312672806 has 16 divisors (see below), whose sum is σ = 508712400. Its totient is φ = 143550720.

The previous prime is 312672803. The next prime is 312672817. The reversal of 312672806 is 608276213.

It is a happy number.

It is a super-2 number, since 2×312672806² = 195528567223827272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312672803) 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, 110756 + ... + 113543.

It is an arithmetic number, because the mean of its divisors is an integer number (31794525).

Almost surely, 2^312672806 is an apocalyptic number.

312672806 is a deficient number, since it is larger than the sum of its proper divisors (196039594).

312672806 is a wasteful number, since it uses less digits than its factorization.

312672806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224359.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 312672806 is about 17682.5565459297. The cubic root of 312672806 is about 678.7294658062.

The spelling of 312672806 in words is "three hundred twelve million, six hundred seventy-two thousand, eight hundred six".