712254440 has 64 divisors (see below), whose sum is σ = 1742763600. Its totient is φ = 260886528.

The previous prime is 712254437. The next prime is 712254461. The reversal of 712254440 is 44452217.

It can be written as a sum of positive squares in 8 ways, for example, as 537961636 + 174292804 = 23194^2 + 13202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11006 + ... + 39314.

Almost surely, 2^712254440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712254440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871381800).

712254440 is an abundant number, since it is smaller than the sum of its proper divisors (1030509160).

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

712254440 is a wasteful number, since it uses less digits than its factorization.

712254440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28374 (or 28370 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 712254440 is about 26688.0954734503. The cubic root of 712254440 is about 893.0553744023.

The spelling of 712254440 in words is "seven hundred twelve million, two hundred fifty-four thousand, four hundred forty".