63473946 has 16 divisors (see below), whose sum is σ = 133629600. Its totient is φ = 20044368.

The previous prime is 63473939. The next prime is 63473947. The reversal of 63473946 is 64937436.

It is a junction number, because it is equal to n+sod(n) for n = 63473898 and 63473907.

It is not an unprimeable number, because it can be changed into a prime (63473947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278281 + ... + 278508.

It is an arithmetic number, because the mean of its divisors is an integer number (8351850).

Almost surely, 2^63473946 is an apocalyptic number.

63473946 is an abundant number, since it is smaller than the sum of its proper divisors (70155654).

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

63473946 is a wasteful number, since it uses less digits than its factorization.

63473946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556813.

The product of its digits is 326592, while the sum is 42.

The square root of 63473946 is about 7967.0537841789. The cubic root of 63473946 is about 398.9010376361.

The spelling of 63473946 in words is "sixty-three million, four hundred seventy-three thousand, nine hundred forty-six".