16750749 has 16 divisors (see below), whose sum is σ = 22962240. Its totient is φ = 10857600.

The previous prime is 16750717. The next prime is 16750829. The reversal of 16750749 is 94705761.

It is not a de Polignac number, because 16750749 - 2⁵ = 16750717 is a prime.

It is a super-2 number, since 2×16750749² = 561175184122002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16750709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17409 + ... + 18345.

It is an arithmetic number, because the mean of its divisors is an integer number (1435140).

Almost surely, 2^16750749 is an apocalyptic number.

It is an amenable number.

16750749 is a deficient number, since it is larger than the sum of its proper divisors (6211491).

16750749 is a wasteful number, since it uses less digits than its factorization.

16750749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 16750749 is about 4092.7678898271. The cubic root of 16750749 is about 255.8653110253.

The spelling of 16750749 in words is "sixteen million, seven hundred fifty thousand, seven hundred forty-nine".