1237840068 has 24 divisors (see below), whose sum is σ = 2888887680. Its totient is φ = 412528480.

The previous prime is 1237840067. The next prime is 1237840099. The reversal of 1237840068 is 8600487321.

It is not an unprimeable number, because it can be changed into a prime (1237840067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83653 + ... + 97331.

It is an arithmetic number, because the mean of its divisors is an integer number (120370320).

Almost surely, 2^1237840068 is an apocalyptic number.

It is an amenable number.

1237840068 is an abundant number, since it is smaller than the sum of its proper divisors (1651047612).

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

1237840068 is a wasteful number, since it uses less digits than its factorization.

1237840068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21227 (or 21225 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1237840068 is about 35182.9513827365. The cubic root of 1237840068 is about 1073.7129194660.

The spelling of 1237840068 in words is "one billion, two hundred thirty-seven million, eight hundred forty thousand, sixty-eight".