7149980 has 24 divisors (see below), whose sum is σ = 15135120. Its totient is φ = 2837120.

The previous prime is 7149971. The next prime is 7149983. The reversal of 7149980 is 899417.

It is a super-2 number, since 2×7149980² = 102244428000800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7149983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 3984.

It is an arithmetic number, because the mean of its divisors is an integer number (630630).

Almost surely, 2^7149980 is an apocalyptic number.

It is an amenable number.

7149980 is an abundant number, since it is smaller than the sum of its proper divisors (7985140).

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

7149980 is a wasteful number, since it uses less digits than its factorization.

7149980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2867 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 7149980 is about 2673.9446516336. The cubic root of 7149980 is about 192.6496727680.

The spelling of 7149980 in words is "seven million, one hundred forty-nine thousand, nine hundred eighty".