274066740 has 60 divisors (see below), whose sum is σ = 859762596. Its totient is φ = 73084032.

The previous prime is 274066699. The next prime is 274066759. The reversal of 274066740 is 47660472.

It can be written as a sum of positive squares in 2 ways, for example, as 210482064 + 63584676 = 14508^2 + 7974^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×274066740² = 150225155948455200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 274066695 and 274066704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 82969 + ... + 86208.

Almost surely, 2^274066740 is an apocalyptic number.

274066740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274066740 is an abundant number, since it is smaller than the sum of its proper divisors (585695856).

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

274066740 is a wasteful number, since it uses less digits than its factorization.

274066740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169198 (or 169187 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 274066740 is about 16554.9611899273. The cubic root of 274066740 is about 649.5592594033.

The spelling of 274066740 in words is "two hundred seventy-four million, sixty-six thousand, seven hundred forty".