912472905 has 16 divisors (see below), whose sum is σ = 1523433600. Its totient is φ = 465493248.

The previous prime is 912472903. The next prime is 912472921. The reversal of 912472905 is 509274219.

It is not a de Polignac number, because 912472905 - 2¹ = 912472903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (912472903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322080 + ... + 1322769.

It is an arithmetic number, because the mean of its divisors is an integer number (95214600).

Almost surely, 2^912472905 is an apocalyptic number.

It is an amenable number.

912472905 is a deficient number, since it is larger than the sum of its proper divisors (610960695).

912472905 is a wasteful number, since it uses less digits than its factorization.

912472905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644880.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 912472905 is about 30207.1664510262. The cubic root of 912472905 is about 969.9291070164.

The spelling of 912472905 in words is "nine hundred twelve million, four hundred seventy-two thousand, nine hundred five".