7273476240 has 80 divisors (see below), whose sum is σ = 22619141568. Its totient is φ = 1933454848.

The previous prime is 7273476239. The next prime is 7273476251. The reversal of 7273476240 is 426743727.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×7273476240² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7273476192 and 7273476201.

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, 28279 + ... + 123881.

Almost surely, 2^7273476240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7273476240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11309570784).

7273476240 is an abundant number, since it is smaller than the sum of its proper divisors (15345665328).

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

7273476240 is a wasteful number, since it uses less digits than its factorization.

7273476240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95936 (or 95930 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The square root of 7273476240 is about 85284.6776390695. The cubic root of 7273476240 is about 1937.5251184534.

The spelling of 7273476240 in words is "seven billion, two hundred seventy-three million, four hundred seventy-six thousand, two hundred forty".