71496016 has 20 divisors (see below), whose sum is σ = 146672532. Its totient is φ = 33645056.

The previous prime is 71495989. The next prime is 71496037. The reversal of 71496016 is 61069417.

It can be written as a sum of positive squares in 2 ways, for example, as 19713600 + 51782416 = 4440^2 + 7196^2 .

It is a super-2 number, since 2×71496016² = 10223360607744512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131155 + ... + 131698.

Almost surely, 2^71496016 is an apocalyptic number.

It is an amenable number.

71496016 is an abundant number, since it is smaller than the sum of its proper divisors (75176516).

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

71496016 is a wasteful number, since it uses less digits than its factorization.

71496016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262878 (or 262872 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 71496016 is about 8455.5316805036. The cubic root of 71496016 is about 415.0438159573.

The spelling of 71496016 in words is "seventy-one million, four hundred ninety-six thousand, sixteen".