748000109 has 2 divisors, whose sum is σ = 748000110. Its totient is φ = 748000108.

The previous prime is 748000091. The next prime is 748000157. The reversal of 748000109 is 901000847.

Together with previous prime (748000091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 718079209 + 29920900 = 26797^2 + 5470^2 .

It is a cyclic number.

It is not a de Polignac number, because 748000109 - 2¹⁶ = 747934573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748000199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374000054 + 374000055.

It is an arithmetic number, because the mean of its divisors is an integer number (374000055).

Almost surely, 2^748000109 is an apocalyptic number.

It is an amenable number.

748000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

748000109 is an equidigital number, since it uses as much as digits as its factorization.

748000109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 748000109 is about 27349.5906550720. The cubic root of 748000109 is about 907.7520124166.

The spelling of 748000109 in words is "seven hundred forty-eight million, one hundred nine", and thus it is an aban number.