63476340 has 48 divisors (see below), whose sum is σ = 187091520. Its totient is φ = 16035840.

The previous prime is 63476333. The next prime is 63476341. The reversal of 63476340 is 4367436.

Added to its reverse (4367436) it gives a triangular number (67843776 = T₁₁₆₄₈).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63476341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26701 + ... + 28980.

It is an arithmetic number, because the mean of its divisors is an integer number (3897740).

Almost surely, 2^63476340 is an apocalyptic number.

63476340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63476340 is an abundant number, since it is smaller than the sum of its proper divisors (123615180).

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

63476340 is a wasteful number, since it uses less digits than its factorization.

63476340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55712 (or 55710 counting only the distinct ones).

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

The square root of 63476340 is about 7967.2040265077. The cubic root of 63476340 is about 398.9060525917.

Adding to 63476340 its reverse (4367436), we get a triangular number (67843776 = T₁₁₆₄₈).

The spelling of 63476340 in words is "sixty-three million, four hundred seventy-six thousand, three hundred forty".