7380840 has 32 divisors (see below), whose sum is σ = 22142880. Its totient is φ = 1968192.

The previous prime is 7380799. The next prime is 7380851. The reversal of 7380840 is 480837.

7380840 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 7380798 and 7380807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30634 + ... + 30873.

It is an arithmetic number, because the mean of its divisors is an integer number (691965).

Almost surely, 2^7380840 is an apocalyptic number.

It is an amenable number.

7380840 is an abundant number, since it is smaller than the sum of its proper divisors (14762040).

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

7380840 is a wasteful number, since it uses less digits than its factorization.

7380840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61521 (or 61517 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 7380840 is about 2716.7701411787. The cubic root of 7380840 is about 194.7011859929.

The spelling of 7380840 in words is "seven million, three hundred eighty thousand, eight hundred forty".