16742481 has 16 divisors (see below), whose sum is σ = 26056704. Its totient is φ = 9363024.

The previous prime is 16742471. The next prime is 16742503. The reversal of 16742481 is 18424761.

It is not a de Polignac number, because 16742481 - 2⁷ = 16742353 is a prime.

It is a super-2 number, since 2×16742481² = 560621340070722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16742431) 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, 7495 + ... + 9468.

It is an arithmetic number, because the mean of its divisors is an integer number (1628544).

Almost surely, 2^16742481 is an apocalyptic number.

It is an amenable number.

16742481 is a deficient number, since it is larger than the sum of its proper divisors (9314223).

16742481 is a wasteful number, since it uses less digits than its factorization.

16742481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17020.

The product of its digits is 10752, while the sum is 33.

The square root of 16742481 is about 4091.7576907730. The cubic root of 16742481 is about 255.8232065887.

The spelling of 16742481 in words is "sixteen million, seven hundred forty-two thousand, four hundred eighty-one".