8500749 has 8 divisors (see below), whose sum is σ = 11575680. Its totient is φ = 5546496.

The previous prime is 8500729. The next prime is 8500753. The reversal of 8500749 is 9470058.

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

It is not a de Polignac number, because 8500749 - 2⁷ = 8500621 is a prime.

It is a super-2 number, since 2×8500749² = 144525467122002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8500729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30004 + ... + 30285.

It is an arithmetic number, because the mean of its divisors is an integer number (1446960).

Almost surely, 2^8500749 is an apocalyptic number.

It is an amenable number.

8500749 is a deficient number, since it is larger than the sum of its proper divisors (3074931).

8500749 is a wasteful number, since it uses less digits than its factorization.

8500749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60339.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 8500749 is about 2915.6043970333. The cubic root of 8500749 is about 204.0887493505.

The spelling of 8500749 in words is "eight million, five hundred thousand, seven hundred forty-nine".