1742836428 has 72 divisors (see below), whose sum is σ = 4494963200. Its totient is φ = 569242080.

The previous prime is 1742836421. The next prime is 1742836439. The reversal of 1742836428 is 8246382471.

It is a happy number.

1742836428 is a `hidden beast` number, since 174 + 28 + 36 + 428 = 666.

1742836428 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1742836421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478173 + ... + 481803.

Almost surely, 2^1742836428 is an apocalyptic number.

1742836428 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 1742836428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2247481600).

1742836428 is an abundant number, since it is smaller than the sum of its proper divisors (2752126772).

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

1742836428 is a wasteful number, since it uses less digits than its factorization.

1742836428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907 (or 3902 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 1742836428 is about 41747.2924631047. The cubic root of 1742836428 is about 1203.4245759362.

The spelling of 1742836428 in words is "one billion, seven hundred forty-two million, eight hundred thirty-six thousand, four hundred twenty-eight".