63171480 has 32 divisors (see below), whose sum is σ = 189514800. Its totient is φ = 16845696.

The previous prime is 63171467. The next prime is 63171487. The reversal of 63171480 is 8417136.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63171487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263095 + ... + 263334.

Almost surely, 2^63171480 is an apocalyptic number.

63171480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63171480 is an abundant number, since it is smaller than the sum of its proper divisors (126343320).

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

63171480 is a wasteful number, since it uses less digits than its factorization.

63171480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526443 (or 526439 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 63171480 is about 7948.0488171626. The cubic root of 63171480 is about 398.2664142217.

The spelling of 63171480 in words is "sixty-three million, one hundred seventy-one thousand, four hundred eighty".