609926742 has 48 divisors (see below), whose sum is σ = 1412637408. Its totient is φ = 189720960.

The previous prime is 609926683. The next prime is 609926743. The reversal of 609926742 is 247629906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609926743) 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, 993 + ... + 34940.

It is an arithmetic number, because the mean of its divisors is an integer number (29429946).

Almost surely, 2^609926742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609926742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706318704).

609926742 is an abundant number, since it is smaller than the sum of its proper divisors (802710666).

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

609926742 is a wasteful number, since it uses less digits than its factorization.

609926742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36005 (or 36002 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 609926742 is about 24696.6949610672. The cubic root of 609926742 is about 848.0586569058.

The spelling of 609926742 in words is "six hundred nine million, nine hundred twenty-six thousand, seven hundred forty-two".