7268749818 has 32 divisors (see below), whose sum is σ = 16082468352. Its totient is φ = 2171626800.

The previous prime is 7268749811. The next prime is 7268749837. The reversal of 7268749818 is 8189478627.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7268749811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770896 + ... + 780267.

It is an arithmetic number, because the mean of its divisors is an integer number (502577136).

Almost surely, 2^7268749818 is an apocalyptic number.

7268749818 is an abundant number, since it is smaller than the sum of its proper divisors (8813718534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7268749818 is a wasteful number, since it uses less digits than its factorization.

7268749818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551250.

The product of its digits is 10838016, while the sum is 60.

The square root of 7268749818 is about 85256.9634575382. The cubic root of 7268749818 is about 1937.1053491741.

The spelling of 7268749818 in words is "seven billion, two hundred sixty-eight million, seven hundred forty-nine thousand, eight hundred eighteen".