71463172 has 24 divisors (see below), whose sum is σ = 144456480. Its totient is φ = 30572160.

The previous prime is 71463157. The next prime is 71463187. The reversal of 71463172 is 27136417.

It is an interprime number because it is at equal distance from previous prime (71463157) and next prime (71463187).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47022 + ... + 48517.

It is an arithmetic number, because the mean of its divisors is an integer number (6019020).

Almost surely, 2^71463172 is an apocalyptic number.

It is an amenable number.

71463172 is an abundant number, since it is smaller than the sum of its proper divisors (72993308).

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

71463172 is a wasteful number, since it uses less digits than its factorization.

71463172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95571 (or 95569 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 71463172 is about 8453.5892968608. The cubic root of 71463172 is about 414.9802516368.

Adding to 71463172 its reverse (27136417), we get a palindrome (98599589).

The spelling of 71463172 in words is "seventy-one million, four hundred sixty-three thousand, one hundred seventy-two".