274742029 has 4 divisors (see below), whose sum is σ = 274776480. Its totient is φ = 274707580.

The previous prime is 274742023. The next prime is 274742047. The reversal of 274742029 is 920247472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 274742029 - 2⁹ = 274741517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274742023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584 + ... + 23494.

It is an arithmetic number, because the mean of its divisors is an integer number (68694120).

Almost surely, 2^274742029 is an apocalyptic number.

It is an amenable number.

274742029 is a deficient number, since it is larger than the sum of its proper divisors (34451).

274742029 is a wasteful number, since it uses less digits than its factorization.

274742029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34450.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 274742029 is about 16575.3440084965. The cubic root of 274742029 is about 650.0923174598.

The spelling of 274742029 in words is "two hundred seventy-four million, seven hundred forty-two thousand, twenty-nine".