7269840 has 120 divisors (see below), whose sum is σ = 25534080. Its totient is φ = 1850112.

The previous prime is 7269827. The next prime is 7269853. The reversal of 7269840 is 489627.

It is an interprime number because it is at equal distance from previous prime (7269827) and next prime (7269853).

It is a tau number, because it is divible by the number of its divisors (120).

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 = 7269795 and 7269804.

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, 16341 + ... + 16779.

It is an arithmetic number, because the mean of its divisors is an integer number (212784).

Almost surely, 2^7269840 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 7269840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12767040).

7269840 is an abundant number, since it is smaller than the sum of its proper divisors (18264240).

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

7269840 is a wasteful number, since it uses less digits than its factorization.

7269840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7269840 is about 2696.2640820216. The cubic root of 7269840 is about 193.7202188010.

The spelling of 7269840 in words is "seven million, two hundred sixty-nine thousand, eight hundred forty".