16742398 has 4 divisors (see below), whose sum is σ = 25113600. Its totient is φ = 8371198.

The previous prime is 16742393. The next prime is 16742423. The reversal of 16742398 is 89324761.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 16742398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16742393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4185598 + ... + 4185601.

It is an arithmetic number, because the mean of its divisors is an integer number (6278400).

Almost surely, 2^16742398 is an apocalyptic number.

16742398 is a deficient number, since it is larger than the sum of its proper divisors (8371202).

16742398 is an equidigital number, since it uses as much as digits as its factorization.

16742398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371201.

The product of its digits is 72576, while the sum is 40.

The square root of 16742398 is about 4091.7475484199. The cubic root of 16742398 is about 255.8227838445.

The spelling of 16742398 in words is "sixteen million, seven hundred forty-two thousand, three hundred ninety-eight".