274989933 has 24 divisors (see below), whose sum is σ = 411646976. Its totient is φ = 176709600.

The previous prime is 274989929. The next prime is 274989937. The reversal of 274989933 is 339989472.

It is an interprime number because it is at equal distance from previous prime (274989929) and next prime (274989937).

It is not a de Polignac number, because 274989933 - 2² = 274989929 is a prime.

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 274989933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274989937) 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 23 ways as a sum of consecutive naturals, for example, 73791 + ... + 77427.

Almost surely, 2^274989933 is an apocalyptic number.

It is an amenable number.

274989933 is a deficient number, since it is larger than the sum of its proper divisors (136657043).

274989933 is a wasteful number, since it uses less digits than its factorization.

274989933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945 (or 3942 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 274989933 is about 16582.8204175285. The cubic root of 274989933 is about 650.2877881446.

The spelling of 274989933 in words is "two hundred seventy-four million, nine hundred eighty-nine thousand, nine hundred thirty-three".