745427523 has 8 divisors (see below), whose sum is σ = 995813136. Its totient is φ = 495996800.

The previous prime is 745427497. The next prime is 745427531. The reversal of 745427523 is 325724547.

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

It is a cyclic number.

It is not a de Polignac number, because 745427523 - 2⁵ = 745427491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745427593) 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, 236898 + ... + 240023.

It is an arithmetic number, because the mean of its divisors is an integer number (124476642).

Almost surely, 2^745427523 is an apocalyptic number.

745427523 is a deficient number, since it is larger than the sum of its proper divisors (250385613).

745427523 is a wasteful number, since it uses less digits than its factorization.

745427523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477445.

The product of its digits is 235200, while the sum is 39.

The square root of 745427523 is about 27302.5186200834. The cubic root of 745427523 is about 906.7101442680.

The spelling of 745427523 in words is "seven hundred forty-five million, four hundred twenty-seven thousand, five hundred twenty-three".