274428736 has 14 divisors (see below), whose sum is σ = 544569650. Its totient is φ = 137214336.

The previous prime is 274428731. The next prime is 274428751. The reversal of 274428736 is 637824472.

It can be written as a sum of positive squares in only one way, i.e., 196000000 + 78428736 = 14000^2 + 8856^2 .

It is a super-2 number, since 2×274428736² = 150622262285115392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 274428692 and 274428701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274428731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2143911 + ... + 2144038.

Almost surely, 2^274428736 is an apocalyptic number.

It is an amenable number.

274428736 is a deficient number, since it is larger than the sum of its proper divisors (270140914).

274428736 is an equidigital number, since it uses as much as digits as its factorization.

274428736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287961 (or 4287951 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 274428736 is about 16565.8907397097. The cubic root of 274428736 is about 649.8451197060.

The spelling of 274428736 in words is "two hundred seventy-four million, four hundred twenty-eight thousand, seven hundred thirty-six".