3663402072 has 32 divisors (see below), whose sum is σ = 9991097280. Its totient is φ = 1110121760.

The previous prime is 3663402053. The next prime is 3663402077. The reversal of 3663402072 is 2702043663.

It is a super-2 number, since 2×3663402072² = 26841029482267786368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663402077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6937998 + ... + 6938525.

It is an arithmetic number, because the mean of its divisors is an integer number (312221790).

Almost surely, 2^3663402072 is an apocalyptic number.

It is an amenable number.

3663402072 is an abundant number, since it is smaller than the sum of its proper divisors (6327695208).

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

3663402072 is a wasteful number, since it uses less digits than its factorization.

3663402072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13876543 (or 13876539 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 3663402072 is about 60526.0445758683. The cubic root of 3663402072 is about 1541.5638905932.

The spelling of 3663402072 in words is "three billion, six hundred sixty-three million, four hundred two thousand, seventy-two".