71604832 has 24 divisors (see below), whose sum is σ = 151816896. Its totient is φ = 33048192.

The previous prime is 71604817. The next prime is 71604839. The reversal of 71604832 is 23840617.

It is a junction number, because it is equal to n+sod(n) for n = 71604794 and 71604803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71604839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85648 + ... + 86479.

It is an arithmetic number, because the mean of its divisors is an integer number (6325704).

Almost surely, 2^71604832 is an apocalyptic number.

It is an amenable number.

71604832 is an abundant number, since it is smaller than the sum of its proper divisors (80212064).

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

71604832 is a wasteful number, since it uses less digits than its factorization.

71604832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172150 (or 172142 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 71604832 is about 8461.9638382588. The cubic root of 71604832 is about 415.2542729732.

The spelling of 71604832 in words is "seventy-one million, six hundred four thousand, eight hundred thirty-two".