712215450 has 96 divisors (see below), whose sum is σ = 2008353600. Its totient is φ = 185492160.

The previous prime is 712215397. The next prime is 712215457. The reversal of 712215450 is 54512217.

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

It is not an unprimeable number, because it can be changed into a prime (712215457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51916 + ... + 64184.

It is an arithmetic number, because the mean of its divisors is an integer number (20920350).

Almost surely, 2^712215450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712215450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004176800).

712215450 is an abundant number, since it is smaller than the sum of its proper divisors (1296138150).

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

712215450 is a wasteful number, since it uses less digits than its factorization.

712215450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12333 (or 12322 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 712215450 is about 26687.3649879489. The cubic root of 712215450 is about 893.0390783230.

Adding to 712215450 its reverse (54512217), we get a palindrome (766727667).

The spelling of 712215450 in words is "seven hundred twelve million, two hundred fifteen thousand, four hundred fifty".