182774420 has 12 divisors (see below), whose sum is σ = 383826324. Its totient is φ = 73109760.

The previous prime is 182774401. The next prime is 182774437. The reversal of 182774420 is 24477281.

It is a happy number.

182774420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39589264 + 143185156 = 6292^2 + 11966^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4569341 + ... + 4569380.

It is an arithmetic number, because the mean of its divisors is an integer number (31985527).

Almost surely, 2^182774420 is an apocalyptic number.

182774420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182774420 is an abundant number, since it is smaller than the sum of its proper divisors (201051904).

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

182774420 is a wasteful number, since it uses less digits than its factorization.

182774420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138730 (or 9138728 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 182774420 is about 13519.4090107519. The cubic root of 182774420 is about 567.5077605723.

The spelling of 182774420 in words is "one hundred eighty-two million, seven hundred seventy-four thousand, four hundred twenty".