745413737620 has 96 divisors (see below), whose sum is σ = 1719790490880. Its totient is φ = 270129530880.

The previous prime is 745413737533. The next prime is 745413737641. The reversal of 745413737620 is 26737314547.

It is a happy number.

It is a congruent number.

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, 58315630 + ... + 58328410.

It is an arithmetic number, because the mean of its divisors is an integer number (17914484280).

Almost surely, 2^745413737620 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 745413737620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859895245440).

745413737620 is an abundant number, since it is smaller than the sum of its proper divisors (974376753260).

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

745413737620 is a wasteful number, since it uses less digits than its factorization.

745413737620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19505 (or 19503 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 745413737620 in words is "seven hundred forty-five billion, four hundred thirteen million, seven hundred thirty-seven thousand, six hundred twenty".