840727422 has 48 divisors (see below), whose sum is σ = 1853065968. Its totient is φ = 275425920.

The previous prime is 840727397. The next prime is 840727423. The reversal of 840727422 is 224727048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840727423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433968 + ... + 435900.

It is an arithmetic number, because the mean of its divisors is an integer number (38605541).

Almost surely, 2^840727422 is an apocalyptic number.

840727422 is an abundant number, since it is smaller than the sum of its proper divisors (1012338546).

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

840727422 is a wasteful number, since it uses less digits than its factorization.

840727422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345 (or 2342 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 840727422 is about 28995.2999984480. The cubic root of 840727422 is about 943.8110789409.

The spelling of 840727422 in words is "eight hundred forty million, seven hundred twenty-seven thousand, four hundred twenty-two".