274726429 has 4 divisors (see below), whose sum is σ = 276150076. Its totient is φ = 273302784.

The previous prime is 274726427. The next prime is 274726447. The reversal of 274726429 is 924627472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157502500 + 117223929 = 12550^2 + 10827^2 .

It is a cyclic number.

It is not a de Polignac number, because 274726429 - 2¹ = 274726427 is a prime.

It is a super-2 number, since 2×274726429² = 150949221582184082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274726427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711534 + ... + 711919.

It is an arithmetic number, because the mean of its divisors is an integer number (69037519).

Almost surely, 2^274726429 is an apocalyptic number.

It is an amenable number.

274726429 is a deficient number, since it is larger than the sum of its proper divisors (1423647).

274726429 is a wasteful number, since it uses less digits than its factorization.

274726429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423646.

The product of its digits is 338688, while the sum is 43.

The square root of 274726429 is about 16574.8734233478. The cubic root of 274726429 is about 650.0800130299.

The spelling of 274726429 in words is "two hundred seventy-four million, seven hundred twenty-six thousand, four hundred twenty-nine".