63530376 has 128 divisors (see below), whose sum is σ = 205900800. Its totient is φ = 15863040.

The previous prime is 63530339. The next prime is 63530429. The reversal of 63530376 is 67303536.

It is a super-2 number, since 2×63530376² = 8072217349402752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40731 + ... + 42261.

It is an arithmetic number, because the mean of its divisors is an integer number (1608600).

Almost surely, 2^63530376 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 63530376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102950400).

63530376 is an abundant number, since it is smaller than the sum of its proper divisors (142370424).

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

63530376 is a wasteful number, since it uses less digits than its factorization.

63530376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 33.

The square root of 63530376 is about 7970.5944571280. The cubic root of 63530376 is about 399.0192137782.

The spelling of 63530376 in words is "sixty-three million, five hundred thirty thousand, three hundred seventy-six".