3734647818 has 24 divisors (see below), whose sum is σ = 8210053824. Its totient is φ = 1131711240.

The previous prime is 3734647801. The next prime is 3734647877. The reversal of 3734647818 is 8187464373.

It is a happy number.

It is a super-2 number, since 2×3734647818² = 27895188648984322248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2571346 + ... + 2572797.

It is an arithmetic number, because the mean of its divisors is an integer number (342085576).

Almost surely, 2^3734647818 is an apocalyptic number.

3734647818 is an abundant number, since it is smaller than the sum of its proper divisors (4475406006).

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

3734647818 is a wasteful number, since it uses less digits than its factorization.

3734647818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144170 (or 5144159 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 3734647818 is about 61111.7649720575. The cubic root of 3734647818 is about 1551.4932287778.

The spelling of 3734647818 in words is "three billion, seven hundred thirty-four million, six hundred forty-seven thousand, eight hundred eighteen".