1372740091 has 2 divisors, whose sum is σ = 1372740092. Its totient is φ = 1372740090.

The previous prime is 1372740067. The next prime is 1372740151. The reversal of 1372740091 is 1900472731.

It is a weak prime.

It is an emirp because it is prime and its reverse (1900472731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1372740091 - 2⁵ = 1372740059 is a prime.

It is a super-3 number, since 3×1372740091³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1372740001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686370045 + 686370046.

It is an arithmetic number, because the mean of its divisors is an integer number (686370046).

Almost surely, 2^1372740091 is an apocalyptic number.

1372740091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372740091 is an equidigital number, since it uses as much as digits as its factorization.

1372740091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1372740091 is about 37050.5072974717. The cubic root of 1372740091 is about 1111.3804999921.

The spelling of 1372740091 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, ninety-one".