16742388 has 24 divisors (see below), whose sum is σ = 42071008. Its totient is φ = 5151456.

The previous prime is 16742377. The next prime is 16742393. The reversal of 16742388 is 88324761.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53506 + ... + 53817.

Almost surely, 2^16742388 is an apocalyptic number.

It is an amenable number.

16742388 is an abundant number, since it is smaller than the sum of its proper divisors (25328620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16742388 is a wasteful number, since it uses less digits than its factorization.

16742388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107343 (or 107341 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 16742388 is about 4091.7463264479. The cubic root of 16742388 is about 255.8227329113.

The spelling of 16742388 in words is "sixteen million, seven hundred forty-two thousand, three hundred eighty-eight".