16742628 has 108 divisors (see below), whose sum is σ = 50727040. Its totient is φ = 4560192.

The previous prime is 16742587. The next prime is 16742641. The reversal of 16742628 is 82624761.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16742592 and 16742601.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 211893 + ... + 211971.

Almost surely, 2^16742628 is an apocalyptic number.

16742628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16742628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25363520).

16742628 is an abundant number, since it is smaller than the sum of its proper divisors (33984412).

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

16742628 is a wasteful number, since it uses less digits than its factorization.

16742628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 120 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 16742628 is about 4091.7756536741. The cubic root of 16742628 is about 255.8239553009.

The spelling of 16742628 in words is "sixteen million, seven hundred forty-two thousand, six hundred twenty-eight".