742807860 has 96 divisors (see below), whose sum is σ = 2207399040. Its totient is φ = 185991168.

The previous prime is 742807853. The next prime is 742807883. The reversal of 742807860 is 68708247.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 783907 + ... + 784853.

It is an arithmetic number, because the mean of its divisors is an integer number (22993740).

Almost surely, 2^742807860 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 742807860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103699520).

742807860 is an abundant number, since it is smaller than the sum of its proper divisors (1464591180).

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

742807860 is a wasteful number, since it uses less digits than its factorization.

742807860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 742807860 is about 27254.5016465170. The cubic root of 742807860 is about 905.6467442404.

The spelling of 742807860 in words is "seven hundred forty-two million, eight hundred seven thousand, eight hundred sixty".