745657342306 has 8 divisors (see below), whose sum is σ = 1118490886620. Its totient is φ = 372827046768.

The previous prime is 745657342303. The next prime is 745657342307. The reversal of 745657342306 is 603243756547.

It can be written as a sum of positive squares in 2 ways, for example, as 719248167225 + 26409175081 = 848085^2 + 162509^2 .

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

It is not an unprimeable number, because it can be changed into a prime (745657342303) 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, 120621 + ... + 1227136.

Almost surely, 2^745657342306 is an apocalyptic number.

745657342306 is a deficient number, since it is larger than the sum of its proper divisors (372833544314).

745657342306 is a wasteful number, since it uses less digits than its factorization.

745657342306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624388.

The product of its (nonzero) digits is 12700800, while the sum is 52.

The spelling of 745657342306 in words is "seven hundred forty-five billion, six hundred fifty-seven million, three hundred forty-two thousand, three hundred six".