7273160640 has 112 divisors (see below), whose sum is σ = 25658124960. Its totient is φ = 1939507200.

The previous prime is 7273160627. The next prime is 7273160663. The reversal of 7273160640 is 460613727.

7273160640 is a `hidden beast` number, since 7 + 2 + 7 + 3 + 1 + 6 + 0 + 640 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 7273160595 and 7273160604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412261 + ... + 429540.

Almost surely, 2^7273160640 is an apocalyptic number.

It is an amenable number.

7273160640 is an abundant number, since it is smaller than the sum of its proper divisors (18384964320).

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

7273160640 is a wasteful number, since it uses less digits than its factorization.

7273160640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841827 (or 841811 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 7273160640 is about 85282.8273452516. The cubic root of 7273160640 is about 1937.4970946332.

The spelling of 7273160640 in words is "seven billion, two hundred seventy-three million, one hundred sixty thousand, six hundred forty".