745226473776 has 160 divisors (see below), whose sum is σ = 1988222745600. Its totient is φ = 240350976000.

The previous prime is 745226473757. The next prime is 745226473913. The reversal of 745226473776 is 677374622547.

It is a super-2 number, since 2×745226473776² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463160460 + ... + 463162068.

It is an arithmetic number, because the mean of its divisors is an integer number (12426392160).

Almost surely, 2^745226473776 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 745226473776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994111372800).

745226473776 is an abundant number, since it is smaller than the sum of its proper divisors (1242996271824).

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

745226473776 is a wasteful number, since it uses less digits than its factorization.

745226473776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947 (or 2941 counting only the distinct ones).

The product of its digits is 82978560, while the sum is 60.

The spelling of 745226473776 in words is "seven hundred forty-five billion, two hundred twenty-six million, four hundred seventy-three thousand, seven hundred seventy-six".