712231245 has 64 divisors (see below), whose sum is σ = 1454054400. Its totient is φ = 327136320.

The previous prime is 712231243. The next prime is 712231249. The reversal of 712231245 is 542132217.

It is not a de Polignac number, because 712231245 - 2¹ = 712231243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712231243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15594 + ... + 40836.

It is an arithmetic number, because the mean of its divisors is an integer number (22719600).

Almost surely, 2^712231245 is an apocalyptic number.

It is an amenable number.

712231245 is an abundant number, since it is smaller than the sum of its proper divisors (741823155).

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

712231245 is a wasteful number, since it uses less digits than its factorization.

712231245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25287 (or 25281 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 712231245 is about 26687.6609128638. The cubic root of 712231245 is about 893.0456799995.

The spelling of 712231245 in words is "seven hundred twelve million, two hundred thirty-one thousand, two hundred forty-five".