274257742 has 16 divisors (see below), whose sum is σ = 472406400. Its totient is φ = 118101240.

The previous prime is 274257701. The next prime is 274257757. The reversal of 274257742 is 247752472.

It is a junction number, because it is equal to n+sod(n) for n = 274257695 and 274257704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327642 + ... + 328477.

It is an arithmetic number, because the mean of its divisors is an integer number (29525400).

Almost surely, 2^274257742 is an apocalyptic number.

274257742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

274257742 is a deficient number, since it is larger than the sum of its proper divisors (198148658).

274257742 is a wasteful number, since it uses less digits than its factorization.

274257742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656151.

The product of its digits is 219520, while the sum is 40.

The square root of 274257742 is about 16560.7289090789. The cubic root of 274257742 is about 649.7101208410.

The spelling of 274257742 in words is "two hundred seventy-four million, two hundred fifty-seven thousand, seven hundred forty-two".