745239475 has 6 divisors (see below), whose sum is σ = 924096980. Its totient is φ = 596191560.

The previous prime is 745239461. The next prime is 745239499. The reversal of 745239475 is 574932547.

It is not a de Polignac number, because 745239475 - 2¹⁹ = 744715187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14904765 + ... + 14904814.

Almost surely, 2^745239475 is an apocalyptic number.

745239475 is a deficient number, since it is larger than the sum of its proper divisors (178857505).

745239475 is a wasteful number, since it uses less digits than its factorization.

745239475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29809589 (or 29809584 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 745239475 is about 27299.0746180159. The cubic root of 745239475 is about 906.6338930057.

The spelling of 745239475 in words is "seven hundred forty-five million, two hundred thirty-nine thousand, four hundred seventy-five".