663034372 has 96 divisors (see below), whose sum is σ = 1594543104. Its totient is φ = 232848000.

The previous prime is 663034367. The next prime is 663034387. The reversal of 663034372 is 273430366.

It is a super-2 number, since 2×663034372² = 879229156906868768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170247 + ... + 174097.

It is an arithmetic number, because the mean of its divisors is an integer number (16609824).

Almost surely, 2^663034372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663034372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797271552).

663034372 is an abundant number, since it is smaller than the sum of its proper divisors (931508732).

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

663034372 is a wasteful number, since it uses less digits than its factorization.

663034372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 34.

The square root of 663034372 is about 25749.4538194502. The cubic root of 663034372 is about 871.9910237412.

The spelling of 663034372 in words is "six hundred sixty-three million, thirty-four thousand, three hundred seventy-two".