712320621722 has 48 divisors (see below), whose sum is σ = 1203087953760. Its totient is φ = 315238736736.

The previous prime is 712320621713. The next prime is 712320621737. The reversal of 712320621722 is 227126023217.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452348 + ... + 1276424.

It is an arithmetic number, because the mean of its divisors is an integer number (25064332370).

Almost surely, 2^712320621722 is an apocalyptic number.

712320621722 is a deficient number, since it is larger than the sum of its proper divisors (490767332038).

712320621722 is a wasteful number, since it uses less digits than its factorization.

712320621722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824187 (or 824164 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 712320621722 its reverse (227126023217), we get a palindrome (939446644939).

The spelling of 712320621722 in words is "seven hundred twelve billion, three hundred twenty million, six hundred twenty-one thousand, seven hundred twenty-two".