745111905 has 8 divisors (see below), whose sum is σ = 1192179072. Its totient is φ = 397393008.

The previous prime is 745111879. The next prime is 745111909. The reversal of 745111905 is 509111547.

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

It is not a de Polignac number, because 745111905 - 2²⁰ = 744063329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745111909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24837049 + ... + 24837078.

It is an arithmetic number, because the mean of its divisors is an integer number (149022384).

Almost surely, 2^745111905 is an apocalyptic number.

It is an amenable number.

745111905 is a deficient number, since it is larger than the sum of its proper divisors (447067167).

745111905 is a wasteful number, since it uses less digits than its factorization.

745111905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49674135.

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 745111905 is about 27296.7379919286. The cubic root of 745111905 is about 906.5821575614.

The spelling of 745111905 in words is "seven hundred forty-five million, one hundred eleven thousand, nine hundred five".