745733806 has 4 divisors (see below), whose sum is σ = 1118600712. Its totient is φ = 372866902.

The previous prime is 745733783. The next prime is 745733809. The reversal of 745733806 is 608337547.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×745733806² = 1112237818822491272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745733809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186433450 + ... + 186433453.

It is an arithmetic number, because the mean of its divisors is an integer number (279650178).

Almost surely, 2^745733806 is an apocalyptic number.

745733806 is a deficient number, since it is larger than the sum of its proper divisors (372866906).

745733806 is a wasteful number, since it uses less digits than its factorization.

745733806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372866905.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 745733806 is about 27308.1271053143. The cubic root of 745733806 is about 906.8343109902.

The spelling of 745733806 in words is "seven hundred forty-five million, seven hundred thirty-three thousand, eight hundred six".