972312906 has 8 divisors (see below), whose sum is σ = 1944625824. Its totient is φ = 324104300.

The previous prime is 972312883. The next prime is 972312919. The reversal of 972312906 is 609213279.

972312906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

972312906 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81026070 + ... + 81026081.

It is an arithmetic number, because the mean of its divisors is an integer number (243078228).

Almost surely, 2^972312906 is an apocalyptic number.

972312906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972312906 is a wasteful number, since it uses less digits than its factorization.

972312906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162052156.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 972312906 is about 31181.9323647525. The cubic root of 972312906 is about 990.6844588247.

The spelling of 972312906 in words is "nine hundred seventy-two million, three hundred twelve thousand, nine hundred six".