742857336 has 96 divisors (see below), whose sum is σ = 2217174960. Its totient is φ = 223243776.

The previous prime is 742857317. The next prime is 742857337. The reversal of 742857336 is 633758247.

742857336 is a `hidden beast` number, since 7 + 42 + 8 + 573 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 742857291 and 742857300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742857337) 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, 31020 + ... + 49476.

Almost surely, 2^742857336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742857336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108587480).

742857336 is an abundant number, since it is smaller than the sum of its proper divisors (1474317624).

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

742857336 is a wasteful number, since it uses less digits than its factorization.

742857336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18525 (or 18518 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 742857336 is about 27255.4092979724. The cubic root of 742857336 is about 905.6668511823. Note that the first 3 decimals are identical.

The spelling of 742857336 in words is "seven hundred forty-two million, eight hundred fifty-seven thousand, three hundred thirty-six".