71672632 has 16 divisors (see below), whose sum is σ = 134627760. Its totient is φ = 35771904.

The previous prime is 71672609. The next prime is 71672683. The reversal of 71672632 is 23627617.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 3148 + ... + 12379.

It is an arithmetic number, because the mean of its divisors is an integer number (8414235).

Almost surely, 2^71672632 is an apocalyptic number.

It is an amenable number.

71672632 is a deficient number, since it is larger than the sum of its proper divisors (62955128).

71672632 is a wasteful number, since it uses less digits than its factorization.

71672632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16110 (or 16106 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 71672632 is about 8465.9690526247. The cubic root of 71672632 is about 415.3852946632.

The spelling of 71672632 in words is "seventy-one million, six hundred seventy-two thousand, six hundred thirty-two".