63493700 has 18 divisors (see below), whose sum is σ = 137781546. Its totient is φ = 25397440.

The previous prime is 63493697. The next prime is 63493711. The reversal of 63493700 is 739436.

It can be written as a sum of positive squares in 3 ways, for example, as 10291264 + 53202436 = 3208^2 + 7294^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 317369 + ... + 317568.

Almost surely, 2^63493700 is an apocalyptic number.

It is an amenable number.

63493700 is an abundant number, since it is smaller than the sum of its proper divisors (74287846).

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

63493700 is a wasteful number, since it uses less digits than its factorization.

63493700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634951 (or 634944 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 63493700 is about 7968.2934182923. The cubic root of 63493700 is about 398.9424145804.

The spelling of 63493700 in words is "sixty-three million, four hundred ninety-three thousand, seven hundred".