7453980 has 36 divisors (see below), whose sum is σ = 22610952. Its totient is φ = 1987680.

The previous prime is 7453967. The next prime is 7453987. The reversal of 7453980 is 893547.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7453987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20526 + ... + 20885.

It is an arithmetic number, because the mean of its divisors is an integer number (628082).

Almost surely, 2^7453980 is an apocalyptic number.

It is an amenable number.

7453980 is an abundant number, since it is smaller than the sum of its proper divisors (15156972).

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

7453980 is a wasteful number, since it uses less digits than its factorization.

7453980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41426 (or 41421 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 7453980 is about 2730.1977950324. The cubic root of 7453980 is about 195.3421999208.

The spelling of 7453980 in words is "seven million, four hundred fifty-three thousand, nine hundred eighty".