87531742 has 24 divisors (see below), whose sum is σ = 140360400. Its totient is φ = 40930560.

The previous prime is 87531713. The next prime is 87531757. The reversal of 87531742 is 24713578.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114642 + ... + 115402.

It is an arithmetic number, because the mean of its divisors is an integer number (5848350).

Almost surely, 2^87531742 is an apocalyptic number.

87531742 is a deficient number, since it is larger than the sum of its proper divisors (52828658).

87531742 is a wasteful number, since it uses less digits than its factorization.

87531742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 979 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 87531742 is about 9355.8399943565. The cubic root of 87531742 is about 444.0056779027.

The spelling of 87531742 in words is "eighty-seven million, five hundred thirty-one thousand, seven hundred forty-two".