742018240 has 28 divisors (see below), whose sum is σ = 1766931696. Its totient is φ = 296807168.

The previous prime is 742018237. The next prime is 742018259. The reversal of 742018240 is 42810247.

It is a junction number, because it is equal to n+sod(n) for n = 742018199 and 742018208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159084 + ... + 1159723.

Almost surely, 2^742018240 is an apocalyptic number.

It is an amenable number.

742018240 is an abundant number, since it is smaller than the sum of its proper divisors (1024913456).

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

742018240 is a wasteful number, since it uses less digits than its factorization.

742018240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318824 (or 2318814 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 742018240 is about 27240.0117474277. The cubic root of 742018240 is about 905.3257234376.

Adding to 742018240 its reverse (42810247), we get a palindrome (784828487).

The spelling of 742018240 in words is "seven hundred forty-two million, eighteen thousand, two hundred forty".