745473507 has 8 divisors (see below), whose sum is σ = 1028239440. Its totient is φ = 479844960.

The previous prime is 745473473. The next prime is 745473527. The reversal of 745473507 is 705374547.

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

It is not a de Polignac number, because 745473507 - 2²⁰ = 744424931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745473527) 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, 4284244 + ... + 4284417.

It is an arithmetic number, because the mean of its divisors is an integer number (128529930).

Almost surely, 2^745473507 is an apocalyptic number.

745473507 is a deficient number, since it is larger than the sum of its proper divisors (282765933).

745473507 is a wasteful number, since it uses less digits than its factorization.

745473507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568693.

The product of its (nonzero) digits is 411600, while the sum is 42.

The square root of 745473507 is about 27303.3607272072. The cubic root of 745473507 is about 906.7287882903.

The spelling of 745473507 in words is "seven hundred forty-five million, four hundred seventy-three thousand, five hundred seven".