273240396 has 72 divisors (see below), whose sum is σ = 811456464. Its totient is φ = 76429440.

The previous prime is 273240353. The next prime is 273240397. The reversal of 273240396 is 693042372.

It is a happy number.

273240396 is a `hidden beast` number, since 27 + 3 + 240 + 396 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 273240396.

It is not an unprimeable number, because it can be changed into a prime (273240397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21391 + ... + 31686.

Almost surely, 2^273240396 is an apocalyptic number.

273240396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

273240396 is an abundant number, since it is smaller than the sum of its proper divisors (538216068).

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

273240396 is a wasteful number, since it uses less digits than its factorization.

273240396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53111 (or 53106 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 273240396 is about 16529.9847549839. The cubic root of 273240396 is about 648.9057692270.

It can be divided in two parts, 27 and 3240396, that added together give a palindrome (3240423).

The spelling of 273240396 in words is "two hundred seventy-three million, two hundred forty thousand, three hundred ninety-six".