63750540 has 48 divisors (see below), whose sum is σ = 204003072. Its totient is φ = 14571456.

The previous prime is 63750521. The next prime is 63750559. The reversal of 63750540 is 4505736.

It is an interprime number because it is at equal distance from previous prime (63750521) and next prime (63750559).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 63750498 and 63750507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75474 + ... + 76313.

It is an arithmetic number, because the mean of its divisors is an integer number (4250064).

Almost surely, 2^63750540 is an apocalyptic number.

63750540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63750540 is an abundant number, since it is smaller than the sum of its proper divisors (140252532).

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

63750540 is a wasteful number, since it uses less digits than its factorization.

63750540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151806 (or 151804 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 63750540 is about 7984.3935273758. The cubic root of 63750540 is about 399.4796149588.

The spelling of 63750540 in words is "sixty-three million, seven hundred fifty thousand, five hundred forty".