3722647330 has 16 divisors (see below), whose sum is σ = 6881867640. Its totient is φ = 1448813952.

The previous prime is 3722647289. The next prime is 3722647343. The reversal of 3722647330 is 337462273.

It can be written as a sum of positive squares in 4 ways, for example, as 3255957721 + 466689609 = 57061^2 + 21603^2 .

It is a super-2 number, since 2×3722647330² = 27716206287112257800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 3722647330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5030235 + ... + 5030974.

Almost surely, 2^3722647330 is an apocalyptic number.

3722647330 is a deficient number, since it is larger than the sum of its proper divisors (3159220310).

3722647330 is a wasteful number, since it uses less digits than its factorization.

3722647330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061253.

The product of its (nonzero) digits is 127008, while the sum is 37.

The square root of 3722647330 is about 61013.5012107976. The cubic root of 3722647330 is about 1549.8296489857.

The spelling of 3722647330 in words is "three billion, seven hundred twenty-two million, six hundred forty-seven thousand, three hundred thirty".