742022340 has 24 divisors (see below), whose sum is σ = 2077662720. Its totient is φ = 197872608.

The previous prime is 742022329. The next prime is 742022357. The reversal of 742022340 is 43220247.

It is a self number, because there is not a number n which added to its sum of digits gives 742022340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6183460 + ... + 6183579.

It is an arithmetic number, because the mean of its divisors is an integer number (86569280).

Almost surely, 2^742022340 is an apocalyptic number.

It is an amenable number.

742022340 is an abundant number, since it is smaller than the sum of its proper divisors (1335640380).

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

742022340 is a wasteful number, since it uses less digits than its factorization.

742022340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12367051 (or 12367049 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 742022340 is about 27240.0870042663. The cubic root of 742022340 is about 905.3273908848.

Adding to 742022340 its reverse (43220247), we get a palindrome (785242587).

The spelling of 742022340 in words is "seven hundred forty-two million, twenty-two thousand, three hundred forty".