16742418 has 96 divisors (see below), whose sum is σ = 44126208. Its totient is φ = 4183200.

The previous prime is 16742393. The next prime is 16742423. The reversal of 16742418 is 81424761.

16742418 = T₁₂₇ + T₁₂₈ + ... + T₄₆₇.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100171 + ... + 100337.

It is an arithmetic number, because the mean of its divisors is an integer number (459648).

Almost surely, 2^16742418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16742418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22063104).

16742418 is an abundant number, since it is smaller than the sum of its proper divisors (27383790).

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

16742418 is a wasteful number, since it uses less digits than its factorization.

16742418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 221 counting only the distinct ones).

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

The square root of 16742418 is about 4091.7499923627. The cubic root of 16742418 is about 255.8228857107.

The spelling of 16742418 in words is "sixteen million, seven hundred forty-two thousand, four hundred eighteen".