7273504512 has 90 divisors (see below), whose sum is σ = 21688336208. Its totient is φ = 2424494592.

The previous prime is 7273504507. The next prime is 7273504541. The reversal of 7273504512 is 2154053727.

7273504512 is a `hidden beast` number, since 72 + 73 + 5 + 0 + 4 + 512 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 154648 + ... + 196119.

Almost surely, 2^7273504512 is an apocalyptic number.

7273504512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7273504512 is an abundant number, since it is smaller than the sum of its proper divisors (14414831696).

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

7273504512 is an equidigital number, since it uses as much as digits as its factorization.

7273504512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350795 (or 350772 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 7273504512 is about 85284.8433896668. The cubic root of 7273504512 is about 1937.5276288367.

The spelling of 7273504512 in words is "seven billion, two hundred seventy-three million, five hundred four thousand, five hundred twelve".