87225742 has 8 divisors (see below), whose sum is σ = 138535056. Its totient is φ = 41047392.

The previous prime is 87225709. The next prime is 87225767. The reversal of 87225742 is 24752278.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1282698 + ... + 1282765.

It is an arithmetic number, because the mean of its divisors is an integer number (17316882).

Almost surely, 2^87225742 is an apocalyptic number.

87225742 is a deficient number, since it is larger than the sum of its proper divisors (51309314).

87225742 is a wasteful number, since it uses less digits than its factorization.

87225742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565482.

The product of its digits is 62720, while the sum is 37.

The square root of 87225742 is about 9339.4722548975. The cubic root of 87225742 is about 443.4876777436.

The spelling of 87225742 in words is "eighty-seven million, two hundred twenty-five thousand, seven hundred forty-two".