8172542 has 8 divisors (see below), whose sum is σ = 14010096. Its totient is φ = 3502512.

The previous prime is 8172539. The next prime is 8172557. The reversal of 8172542 is 2452718.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291863 + ... + 291890.

It is an arithmetic number, because the mean of its divisors is an integer number (1751262).

Almost surely, 2^8172542 is an apocalyptic number.

8172542 is a deficient number, since it is larger than the sum of its proper divisors (5837554).

8172542 is a wasteful number, since it uses less digits than its factorization.

8172542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583762.

The product of its digits is 4480, while the sum is 29.

The square root of 8172542 is about 2858.7658176213. The cubic root of 8172542 is about 201.4276350432.

The spelling of 8172542 in words is "eight million, one hundred seventy-two thousand, five hundred forty-two".