71463408 has 80 divisors (see below), whose sum is σ = 196177920. Its totient is φ = 22353408.

The previous prime is 71463397. The next prime is 71463419. The reversal of 71463408 is 80436417.

It is an interprime number because it is at equal distance from previous prime (71463397) and next prime (71463419).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 115516 + ... + 116132.

It is an arithmetic number, because the mean of its divisors is an integer number (2452224).

Almost surely, 2^71463408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71463408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98088960).

71463408 is an abundant number, since it is smaller than the sum of its proper divisors (124714512).

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

71463408 is a wasteful number, since it uses less digits than its factorization.

71463408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 71463408 is about 8453.6032554172. The cubic root of 71463408 is about 414.9807084466.

The spelling of 71463408 in words is "seventy-one million, four hundred sixty-three thousand, four hundred eight".