274624493 has 12 divisors (see below), whose sum is σ = 324410688. Its totient is φ = 230452560.

The previous prime is 274624489. The next prime is 274624513. The reversal of 274624493 is 394426472.

It is not a de Polignac number, because 274624493 - 2² = 274624489 is a prime.

It is a super-2 number, since 2×274624493² = 150837224311014098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 274624493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274624093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72005 + ... + 75722.

It is an arithmetic number, because the mean of its divisors is an integer number (27034224).

Almost surely, 2^274624493 is an apocalyptic number.

It is an amenable number.

274624493 is a deficient number, since it is larger than the sum of its proper divisors (49786195).

274624493 is a wasteful number, since it uses less digits than its factorization.

274624493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147764 (or 147751 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 274624493 is about 16571.7981221109. The cubic root of 274624493 is about 649.9995999998. Note that the first 3 decimals are identical.

The spelling of 274624493 in words is "two hundred seventy-four million, six hundred twenty-four thousand, four hundred ninety-three".