7408749069 has 12 divisors (see below), whose sum is σ = 10738054236. Its totient is φ = 4922307072.

The previous prime is 7408749041. The next prime is 7408749119. The reversal of 7408749069 is 9609478047.

It is a happy number.

7408749069 is a `hidden beast` number, since 74 + 0 + 87 + 490 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5521976100 + 1886772969 = 74310^2 + 43437^2 .

It is not a de Polignac number, because 7408749069 - 2⁵ = 7408749037 is a prime.

It is a super-2 number, since 2×7408749069² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7408747069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1402132 + ... + 1407405.

It is an arithmetic number, because the mean of its divisors is an integer number (894837853).

Almost surely, 2^7408749069 is an apocalyptic number.

It is an amenable number.

7408749069 is a deficient number, since it is larger than the sum of its proper divisors (3329305167).

7408749069 is a wasteful number, since it uses less digits than its factorization.

7408749069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809836 (or 2809833 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 7408749069 is about 86074.0905789890. The cubic root of 7408749069 is about 1949.4628429726.

The spelling of 7408749069 in words is "seven billion, four hundred eight million, seven hundred forty-nine thousand, sixty-nine".