745105500 has 192 divisors, whose sum is σ = 2439964800. Its totient is φ = 196300800.

The previous prime is 745105499. The next prime is 745105511. The reversal of 745105500 is 5501547.

It is a super-2 number, since 2×745105500² = 1110364412260500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1309216 + ... + 1309784.

It is an arithmetic number, because the mean of its divisors is an integer number (12708150).

Almost surely, 2^745105500 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 745105500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219982400).

745105500 is an abundant number, since it is smaller than the sum of its proper divisors (1694859300).

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

745105500 is a wasteful number, since it uses less digits than its factorization.

745105500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 745105500 is about 27296.6206699657. The cubic root of 745105500 is about 906.5795598866.

The spelling of 745105500 in words is "seven hundred forty-five million, one hundred five thousand, five hundred".