7397980 has 24 divisors (see below), whose sum is σ = 15685488. Its totient is φ = 2930688.

The previous prime is 7397953. The next prime is 7397981. The reversal of 7397980 is 897937.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7397981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412 + ... + 3868.

It is an arithmetic number, because the mean of its divisors is an integer number (653562).

Almost surely, 2^7397980 is an apocalyptic number.

It is an amenable number.

7397980 is an abundant number, since it is smaller than the sum of its proper divisors (8287508).

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

7397980 is a wasteful number, since it uses less digits than its factorization.

7397980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573 (or 3571 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 7397980 is about 2719.9227930219. The cubic root of 7397980 is about 194.8517830534.

Subtracting from 7397980 its sum of digits (43), we obtain a palindrome (7397937).

The spelling of 7397980 in words is "seven million, three hundred ninety-seven thousand, nine hundred eighty".