745366226746 has 4 divisors (see below), whose sum is σ = 1118049340122. Its totient is φ = 372683113372.

The previous prime is 745366226677. The next prime is 745366226777. The reversal of 745366226746 is 647622663547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647622663547 = 37 ⋅17503315231.

It can be written as a sum of positive squares in only one way, i.e., 727754017225 + 17612209521 = 853085^2 + 132711^2 .

It is an unprimeable number.

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, 186341556685 + ... + 186341556688.

Almost surely, 2^745366226746 is an apocalyptic number.

745366226746 is a deficient number, since it is larger than the sum of its proper divisors (372683113376).

745366226746 is a wasteful number, since it uses less digits than its factorization.

745366226746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372683113375.

The product of its digits is 60963840, while the sum is 58.

The spelling of 745366226746 in words is "seven hundred forty-five billion, three hundred sixty-six million, two hundred twenty-six thousand, seven hundred forty-six".