745005838 has 8 divisors (see below), whose sum is σ = 1117638432. Its totient is φ = 372459696.

The previous prime is 745005823. The next prime is 745005839. The reversal of 745005838 is 838500547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 745005838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745005839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8106 + ... + 39442.

It is an arithmetic number, because the mean of its divisors is an integer number (139704804).

Almost surely, 2^745005838 is an apocalyptic number.

745005838 is a deficient number, since it is larger than the sum of its proper divisors (372632594).

745005838 is a wasteful number, since it uses less digits than its factorization.

745005838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43226.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 745005838 is about 27294.7950715883. The cubic root of 745005838 is about 906.5391380668.

The spelling of 745005838 in words is "seven hundred forty-five million, five thousand, eight hundred thirty-eight".