745946673920 has 144 divisors (see below), whose sum is σ = 2043165230400. Its totient is φ = 255610847232.

The previous prime is 745946673911. The next prime is 745946674013. The reversal of 745946673920 is 29376649547.

745946673920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16759856 + ... + 16804304.

Almost surely, 2^745946673920 is an apocalyptic number.

745946673920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745946673920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021582615200).

745946673920 is an abundant number, since it is smaller than the sum of its proper divisors (1297218556480).

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

745946673920 is a wasteful number, since it uses less digits than its factorization.

745946673920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46350 (or 46336 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 62.

The spelling of 745946673920 in words is "seven hundred forty-five billion, nine hundred forty-six million, six hundred seventy-three thousand, nine hundred twenty".