87673432 has 32 divisors (see below), whose sum is σ = 204952320. Its totient is φ = 34158240.

The previous prime is 87673381. The next prime is 87673463. The reversal of 87673432 is 23437678.

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 (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70548 + ... + 71779.

It is an arithmetic number, because the mean of its divisors is an integer number (6404760).

Almost surely, 2^87673432 is an apocalyptic number.

It is an amenable number.

87673432 is an abundant number, since it is smaller than the sum of its proper divisors (117278888).

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

87673432 is a wasteful number, since it uses less digits than its factorization.

87673432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142351 (or 142347 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 87673432 is about 9363.4092081891. The cubic root of 87673432 is about 444.2451234197.

The spelling of 87673432 in words is "eighty-seven million, six hundred seventy-three thousand, four hundred thirty-two".