7380018 has 32 divisors (see below), whose sum is σ = 17265600. Its totient is φ = 2330208.

The previous prime is 7379951. The next prime is 7380031. The reversal of 7380018 is 8100837.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7379973 and 7380000.

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, 2571 + ... + 4622.

It is an arithmetic number, because the mean of its divisors is an integer number (539550).

Almost surely, 2^7380018 is an apocalyptic number.

7380018 is an abundant number, since it is smaller than the sum of its proper divisors (9885582).

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

7380018 is a wasteful number, since it uses less digits than its factorization.

7380018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7223 (or 7217 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 7380018 is about 2716.6188543850. The cubic root of 7380018 is about 194.6939578040.

The spelling of 7380018 in words is "seven million, three hundred eighty thousand, eighteen".