1240072722 has 48 divisors (see below), whose sum is σ = 3136004352. Its totient is φ = 346766400.

The previous prime is 1240072711. The next prime is 1240072751. The reversal of 1240072722 is 2272700421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98779 + ... + 110622.

It is an arithmetic number, because the mean of its divisors is an integer number (65333424).

Almost surely, 2^1240072722 is an apocalyptic number.

1240072722 is an abundant number, since it is smaller than the sum of its proper divisors (1895931630).

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

1240072722 is a wasteful number, since it uses less digits than its factorization.

1240072722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209463 (or 209460 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 1240072722 is about 35214.6662911918. Note that the first 3 decimals coincide. The cubic root of 1240072722 is about 1074.3580727129.

The spelling of 1240072722 in words is "one billion, two hundred forty million, seventy-two thousand, seven hundred twenty-two".