63967475 has 48 divisors (see below), whose sum is σ = 96556320. Its totient is φ = 41395200.

The previous prime is 63967469. The next prime is 63967493. The reversal of 63967475 is 57476936.

It is a happy number.

It is not a de Polignac number, because 63967475 - 2⁴ = 63967459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103367 + ... + 103983.

It is an arithmetic number, because the mean of its divisors is an integer number (2011590).

Almost surely, 2^63967475 is an apocalyptic number.

63967475 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63967475 is a deficient number, since it is larger than the sum of its proper divisors (32588845).

63967475 is a wasteful number, since it uses less digits than its factorization.

63967475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 675 counting only the distinct ones).

The product of its digits is 952560, while the sum is 47.

The square root of 63967475 is about 7997.9669291639. The cubic root of 63967475 is about 399.9322281014.

The spelling of 63967475 in words is "sixty-three million, nine hundred sixty-seven thousand, four hundred seventy-five".