8500742 has 8 divisors (see below), whose sum is σ = 12790632. Its totient is φ = 4237200.

The previous prime is 8500729. The next prime is 8500753. The reversal of 8500742 is 2470058.

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

It is a super-2 number, since 2×8500742² = 144525229101128, which contains 22 as substring.

It is an Ulam number.

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, 5759 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (1598829).

Almost surely, 2^8500742 is an apocalyptic number.

8500742 is a deficient number, since it is larger than the sum of its proper divisors (4289890).

8500742 is a wasteful number, since it uses less digits than its factorization.

8500742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13174.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 8500742 is about 2915.6031965959. The cubic root of 8500742 is about 204.0886933311.

The spelling of 8500742 in words is "eight million, five hundred thousand, seven hundred forty-two".