273649464 has 48 divisors (see below), whose sum is σ = 808512120. Its totient is φ = 82923840.

The previous prime is 273649451. The next prime is 273649499. The reversal of 273649464 is 464946372.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171967 + ... + 173550.

Almost surely, 2^273649464 is an apocalyptic number.

273649464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

273649464 is an abundant number, since it is smaller than the sum of its proper divisors (534862656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

273649464 is a wasteful number, since it uses less digits than its factorization.

273649464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345540 (or 345533 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 273649464 is about 16542.3536414864. The cubic root of 273649464 is about 649.2294332149.

The spelling of 273649464 in words is "two hundred seventy-three million, six hundred forty-nine thousand, four hundred sixty-four".