745172682 has 8 divisors (see below), whose sum is σ = 1490345376. Its totient is φ = 248390892.

The previous prime is 745172669. The next prime is 745172683. The reversal of 745172682 is 286271547.

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

745172682 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (745172683) 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, 62097718 + ... + 62097729.

It is an arithmetic number, because the mean of its divisors is an integer number (186293172).

Almost surely, 2^745172682 is an apocalyptic number.

745172682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745172682 is a wasteful number, since it uses less digits than its factorization.

745172682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124195452.

The product of its digits is 188160, while the sum is 42.

The square root of 745172682 is about 27297.8512341173. The cubic root of 745172682 is about 906.6068061390.

The spelling of 745172682 in words is "seven hundred forty-five million, one hundred seventy-two thousand, six hundred eighty-two".