746661897216 has 99 divisors (see below), whose sum is σ = 2156209576833. Its totient is φ = 248859648000.

The previous prime is 746661897203. The next prime is 746661897221. The reversal of 746661897216 is 612798166647.

It is a happy number.

The square root of 746661897216 is 864096.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 133009007616 + 613652889600 = 364704^2 + 783360^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 82948716 + ... + 82957716.

Almost surely, 2^746661897216 is an apocalyptic number.

746661897216 is the 864096-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 746661897216

746661897216 is an abundant number, since it is smaller than the sum of its proper divisors (1409547679617).

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

746661897216 is an frugal number, since it uses more digits than its factorization.

746661897216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18028 (or 9006 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 746661897216 in words is "seven hundred forty-six billion, six hundred sixty-one million, eight hundred ninety-seven thousand, two hundred sixteen".