7149020 has 24 divisors (see below), whose sum is σ = 15120000. Its totient is φ = 2839232.

The previous prime is 7149019. The next prime is 7149041. The reversal of 7149020 is 209417.

It is a super-2 number, since 2×7149020² = 102216973920800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1781 + ... + 4179.

It is an arithmetic number, because the mean of its divisors is an integer number (630000).

Almost surely, 2^7149020 is an apocalyptic number.

It is an amenable number.

7149020 is an abundant number, since it is smaller than the sum of its proper divisors (7970980).

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

7149020 is a wasteful number, since it uses less digits than its factorization.

7149020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7149020 is about 2673.7651355345. The cubic root of 7149020 is about 192.6410502747.

The spelling of 7149020 in words is "seven million, one hundred forty-nine thousand, twenty".