1774421142 has 32 divisors (see below), whose sum is σ = 3831243360. Its totient is φ = 544631040.

The previous prime is 1774421141. The next prime is 1774421149. The reversal of 1774421142 is 2411244771.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1774421141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4092 + ... + 59712.

It is an arithmetic number, because the mean of its divisors is an integer number (119726355).

Almost surely, 2^1774421142 is an apocalyptic number.

1774421142 is an abundant number, since it is smaller than the sum of its proper divisors (2056822218).

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

1774421142 is a wasteful number, since it uses less digits than its factorization.

1774421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56048.

The product of its digits is 12544, while the sum is 33.

The square root of 1774421142 is about 42123.8785251311. The cubic root of 1774421142 is about 1210.6508217037.

The spelling of 1774421142 in words is "one billion, seven hundred seventy-four million, four hundred twenty-one thousand, one hundred forty-two".