8345973240 has 128 divisors (see below), whose sum is σ = 30349036800. Its totient is φ = 2023263360.

The previous prime is 8345973227. The next prime is 8345973241. The reversal of 8345973240 is 423795438.

8345973240 is a `hidden beast` number, since 8 + 34 + 597 + 3 + 24 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8345973241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339382 + ... + 363141.

It is an arithmetic number, because the mean of its divisors is an integer number (237101850).

Almost surely, 2^8345973240 is an apocalyptic number.

It is an amenable number.

8345973240 is an abundant number, since it is smaller than the sum of its proper divisors (22003063560).

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

8345973240 is a wasteful number, since it uses less digits than its factorization.

8345973240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702554 (or 702544 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 8345973240 is about 91356.2983050430. The cubic root of 8345973240 is about 2028.4251935752.

The spelling of 8345973240 in words is "eight billion, three hundred forty-five million, nine hundred seventy-three thousand, two hundred forty".