16740429 has 4 divisors (see below), whose sum is σ = 22320576. Its totient is φ = 11160284.

The previous prime is 16740401. The next prime is 16740431. The reversal of 16740429 is 92404761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92404761 = 3 ⋅30801587.

It is a cyclic number.

It is not a de Polignac number, because 16740429 - 2⁷ = 16740301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16740429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16740929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2790069 + ... + 2790074.

It is an arithmetic number, because the mean of its divisors is an integer number (5580144).

Almost surely, 2^16740429 is an apocalyptic number.

It is an amenable number.

16740429 is a deficient number, since it is larger than the sum of its proper divisors (5580147).

16740429 is an equidigital number, since it uses as much as digits as its factorization.

16740429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580146.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 16740429 is about 4091.5069351035. The cubic root of 16740429 is about 255.8127547194.

The spelling of 16740429 in words is "sixteen million, seven hundred forty thousand, four hundred twenty-nine".