7273946064 has 80 divisors (see below), whose sum is σ = 23427786240. Its totient is φ = 1889335680.

The previous prime is 7273946027. The next prime is 7273946131. The reversal of 7273946064 is 4606493727.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 980334 + ... + 987725.

It is an arithmetic number, because the mean of its divisors is an integer number (292847328).

Almost surely, 2^7273946064 is an apocalyptic number.

It is an amenable number.

7273946064 is an abundant number, since it is smaller than the sum of its proper divisors (16153840176).

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

7273946064 is a wasteful number, since it uses less digits than its factorization.

7273946064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968088 (or 1968082 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The square root of 7273946064 is about 85287.4320401312. The cubic root of 7273946064 is about 1937.5668351499.

The spelling of 7273946064 in words is "seven billion, two hundred seventy-three million, nine hundred forty-six thousand, sixty-four".