7364840 has 64 divisors (see below), whose sum is σ = 19612800. Its totient is φ = 2435328.

The previous prime is 7364821. The next prime is 7364879. The reversal of 7364840 is 484637.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7364797 and 7364806.

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, 7667 + ... + 8573.

It is an arithmetic number, because the mean of its divisors is an integer number (306450).

Almost surely, 2^7364840 is an apocalyptic number.

7364840 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 7364840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9806400).

7364840 is an abundant number, since it is smaller than the sum of its proper divisors (12247960).

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

7364840 is a wasteful number, since it uses less digits than its factorization.

7364840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 7364840 is about 2713.8238704824. The cubic root of 7364840 is about 194.5603947586.

The spelling of 7364840 in words is "seven million, three hundred sixty-four thousand, eight hundred forty".