274426487 has 4 divisors (see below), whose sum is σ = 277900320. Its totient is φ = 270952656.

The previous prime is 274426457. The next prime is 274426499. The reversal of 274426487 is 784624472.

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

It is a cyclic number.

It is not a de Polignac number, because 274426487 - 2⁸ = 274426231 is a prime.

It is a super-2 number, since 2×274426487² = 150619793534322338, 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 (274426457) 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, 1736798 + ... + 1736955.

It is an arithmetic number, because the mean of its divisors is an integer number (69475080).

Almost surely, 2^274426487 is an apocalyptic number.

274426487 is a deficient number, since it is larger than the sum of its proper divisors (3473833).

274426487 is an equidigital number, since it uses as much as digits as its factorization.

274426487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473832.

The product of its digits is 602112, while the sum is 44.

The square root of 274426487 is about 16565.8228591278. The cubic root of 274426487 is about 649.8433444963.

The spelling of 274426487 in words is "two hundred seventy-four million, four hundred twenty-six thousand, four hundred eighty-seven".