1372764226 has 4 divisors (see below), whose sum is σ = 2059146342. Its totient is φ = 686382112.

The previous prime is 1372764187. The next prime is 1372764241. The reversal of 1372764226 is 6224672731.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1363455625 + 9308601 = 36925^2 + 3051^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343191055 + ... + 343191058.

Almost surely, 2^1372764226 is an apocalyptic number.

1372764226 is a deficient number, since it is larger than the sum of its proper divisors (686382116).

1372764226 is an equidigital number, since it uses as much as digits as its factorization.

1372764226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686382115.

The product of its digits is 169344, while the sum is 40.

The square root of 1372764226 is about 37050.8330000825. The cubic root of 1372764226 is about 1111.3870132453.

The spelling of 1372764226 in words is "one billion, three hundred seventy-two million, seven hundred sixty-four thousand, two hundred twenty-six".