7148520 has 64 divisors (see below), whose sum is σ = 23832000. Its totient is φ = 1905984.

The previous prime is 7148513. The next prime is 7148521. The reversal of 7148520 is 258417.

7148520 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7148520² = 102202676380800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (7148521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2230 + ... + 4389.

It is an arithmetic number, because the mean of its divisors is an integer number (372375).

Almost surely, 2^7148520 is an apocalyptic number.

It is an amenable number.

7148520 is an abundant number, since it is smaller than the sum of its proper divisors (16683480).

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

7148520 is a wasteful number, since it uses less digits than its factorization.

7148520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6639 (or 6629 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 7148520 is about 2673.6716327926. The cubic root of 7148520 is about 192.6365590871.

The spelling of 7148520 in words is "seven million, one hundred forty-eight thousand, five hundred twenty".