745382473 has 4 divisors (see below), whose sum is σ = 813144528. Its totient is φ = 677620420.

The previous prime is 745382441. The next prime is 745382479. The reversal of 745382473 is 374283547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 745382473 - 2⁵ = 745382441 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (745382479) 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, 33881011 + ... + 33881032.

It is an arithmetic number, because the mean of its divisors is an integer number (203286132).

Almost surely, 2^745382473 is an apocalyptic number.

It is an amenable number.

745382473 is a deficient number, since it is larger than the sum of its proper divisors (67762055).

745382473 is a wasteful number, since it uses less digits than its factorization.

745382473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67762054.

The product of its digits is 564480, while the sum is 43.

The square root of 745382473 is about 27301.6935921565. The cubic root of 745382473 is about 906.6918781887.

The spelling of 745382473 in words is "seven hundred forty-five million, three hundred eighty-two thousand, four hundred seventy-three".