7275380 has 48 divisors (see below), whose sum is σ = 17625216. Its totient is φ = 2471040.

The previous prime is 7275379. The next prime is 7275391. The reversal of 7275380 is 835727.

It is a nialpdrome in base 14.

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, 21815 + ... + 22145.

It is an arithmetic number, because the mean of its divisors is an integer number (367192).

Almost surely, 2^7275380 is an apocalyptic number.

7275380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7275380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8812608).

7275380 is an abundant number, since it is smaller than the sum of its proper divisors (10349836).

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

7275380 is a wasteful number, since it uses less digits than its factorization.

7275380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 7275380 is about 2697.2912338122. The cubic root of 7275380 is about 193.7694146345.

The spelling of 7275380 in words is "seven million, two hundred seventy-five thousand, three hundred eighty".