732271905 has 12 divisors (see below), whose sum is σ = 1269271380. Its totient is φ = 390544992.

The previous prime is 732271873. The next prime is 732271909. The reversal of 732271905 is 509172237.

It can be written as a sum of positive squares in 2 ways, for example, as 337971456 + 394300449 = 18384^2 + 19857^2 .

It is not a de Polignac number, because 732271905 - 2⁵ = 732271873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 732271905.

It is not an unprimeable number, because it can be changed into a prime (732271909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8136310 + ... + 8136399.

It is an arithmetic number, because the mean of its divisors is an integer number (105772615).

Almost surely, 2^732271905 is an apocalyptic number.

It is an amenable number.

732271905 is a deficient number, since it is larger than the sum of its proper divisors (536999475).

732271905 is a wasteful number, since it uses less digits than its factorization.

732271905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16272720 (or 16272717 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 732271905 is about 27060.5229993805. The cubic root of 732271905 is about 901.3444535680.

The spelling of 732271905 in words is "seven hundred thirty-two million, two hundred seventy-one thousand, nine hundred five".