63342473 has 4 divisors (see below), whose sum is σ = 64537668. Its totient is φ = 62147280.

The previous prime is 63342469. The next prime is 63342491. The reversal of 63342473 is 37424336.

63342473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23551609 + 39790864 = 4853^2 + 6308^2 .

It is a cyclic number.

It is not a de Polignac number, because 63342473 - 2² = 63342469 is a prime.

It is a super-3 number, since 3×63342473³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63342413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597518 + ... + 597623.

It is an arithmetic number, because the mean of its divisors is an integer number (16134417).

Almost surely, 2^63342473 is an apocalyptic number.

It is an amenable number.

63342473 is a deficient number, since it is larger than the sum of its proper divisors (1195195).

63342473 is a wasteful number, since it uses less digits than its factorization.

63342473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195194.

The product of its digits is 36288, while the sum is 32.

The square root of 63342473 is about 7958.7984645925. The cubic root of 63342473 is about 398.6254339143.

The spelling of 63342473 in words is "sixty-three million, three hundred forty-two thousand, four hundred seventy-three".