63903480 has 32 divisors (see below), whose sum is σ = 191710800. Its totient is φ = 17040896.

The previous prime is 63903473. The next prime is 63903509. The reversal of 63903480 is 8430936.

It is a super-2 number, since 2×63903480² = 8167309512220800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266145 + ... + 266384.

Almost surely, 2^63903480 is an apocalyptic number.

63903480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63903480 is an abundant number, since it is smaller than the sum of its proper divisors (127807320).

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

63903480 is a wasteful number, since it uses less digits than its factorization.

63903480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532543 (or 532539 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 63903480 is about 7993.9652238423. The cubic root of 63903480 is about 399.7988154956.

It can be divided in two parts, 6390 and 3480, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 63903480 in words is "sixty-three million, nine hundred three thousand, four hundred eighty".