7266240 has 168 divisors, whose sum is σ = 26548080. Its totient is φ = 1870848.

The previous prime is 7266223. The next prime is 7266251. The reversal of 7266240 is 426627.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250546 + ... + 250574.

Almost surely, 2^7266240 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 7266240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13274040).

7266240 is an abundant number, since it is smaller than the sum of its proper divisors (19281840).

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

7266240 is a wasteful number, since it uses less digits than its factorization.

7266240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 7266240 is about 2695.5964089604. The cubic root of 7266240 is about 193.6882369905.

The spelling of 7266240 in words is "seven million, two hundred sixty-six thousand, two hundred forty".