745312882420 has 24 divisors (see below), whose sum is σ = 1657225115784. Its totient is φ = 280588379136.

The previous prime is 745312882387. The next prime is 745312882423. The reversal of 745312882420 is 24288213547.

It can be written as a sum of positive squares in 4 ways, for example, as 177647076324 + 567665806096 = 421482^2 + 753436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745312882423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096048017 + ... + 1096048696.

It is an arithmetic number, because the mean of its divisors is an integer number (69051046491).

Almost surely, 2^745312882420 is an apocalyptic number.

It is an amenable number.

745312882420 is an abundant number, since it is smaller than the sum of its proper divisors (911912233364).

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

745312882420 is a wasteful number, since it uses less digits than its factorization.

745312882420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192096739 (or 2192096737 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 745312882420 in words is "seven hundred forty-five billion, three hundred twelve million, eight hundred eighty-two thousand, four hundred twenty".