63375473 has 12 divisors (see below), whose sum is σ = 78060132. Its totient is φ = 51125760.

The previous prime is 63375467. The next prime is 63375493. The reversal of 63375473 is 37457336.

It can be written as a sum of positive squares in 2 ways, for example, as 21086464 + 42289009 = 4592^2 + 6503^2 .

It is not a de Polignac number, because 63375473 - 2⁴ = 63375457 is a prime.

It is a super-3 number, since 3×63375473³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63375443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37208 + ... + 38873.

It is an arithmetic number, because the mean of its divisors is an integer number (6505011).

Almost surely, 2^63375473 is an apocalyptic number.

It is an amenable number.

63375473 is a deficient number, since it is larger than the sum of its proper divisors (14684659).

63375473 is a wasteful number, since it uses less digits than its factorization.

63375473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76112 (or 76105 counting only the distinct ones).

The product of its digits is 158760, while the sum is 38.

The square root of 63375473 is about 7960.8713719040. The cubic root of 63375473 is about 398.6946468501.

The spelling of 63375473 in words is "sixty-three million, three hundred seventy-five thousand, four hundred seventy-three".