1372740722 has 8 divisors (see below), whose sum is σ = 2061450972. Its totient is φ = 685590400.

The previous prime is 1372740697. The next prime is 1372740731. The reversal of 1372740722 is 2270472731.

It can be written as a sum of positive squares in 2 ways, for example, as 1363012561 + 9728161 = 36919^2 + 3119^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387779 + ... + 391302.

Almost surely, 2^1372740722 is an apocalyptic number.

1372740722 is a deficient number, since it is larger than the sum of its proper divisors (688710250).

1372740722 is an equidigital number, since it uses as much as digits as its factorization.

1372740722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779964.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 1372740722 is about 37050.5158128736. The cubic root of 1372740722 is about 1111.3806702795.

The spelling of 1372740722 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, seven hundred twenty-two".