745447850 has 24 divisors (see below), whose sum is σ = 1584609888. Its totient is φ = 255582000.

The previous prime is 745447823. The next prime is 745447867. The reversal of 745447850 is 58744547.

745447850 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 11 ways as a sum of consecutive naturals, for example, 1064576 + ... + 1065275.

It is an arithmetic number, because the mean of its divisors is an integer number (66025412).

Almost surely, 2^745447850 is an apocalyptic number.

745447850 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

745447850 is an abundant number, since it is smaller than the sum of its proper divisors (839162038).

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

745447850 is a wasteful number, since it uses less digits than its factorization.

745447850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129870 (or 2129865 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 44.

The square root of 745447850 is about 27302.8908725798. The cubic root of 745447850 is about 906.7183858605.

The spelling of 745447850 in words is "seven hundred forty-five million, four hundred forty-seven thousand, eight hundred fifty".