7152420 has 48 divisors (see below), whose sum is σ = 21849408. Its totient is φ = 1733760.

The previous prime is 7152419. The next prime is 7152487. The reversal of 7152420 is 242517.

It is a super-2 number, since 2×7152420² = 102314223712800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4759 + ... + 6078.

It is an arithmetic number, because the mean of its divisors is an integer number (455196).

Almost surely, 2^7152420 is an apocalyptic number.

It is an amenable number.

7152420 is an abundant number, since it is smaller than the sum of its proper divisors (14696988).

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

7152420 is a wasteful number, since it uses less digits than its factorization.

7152420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860 (or 10858 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7152420 is about 2674.4008674842. The cubic root of 7152420 is about 192.6715847985.

Adding to 7152420 its reverse (242517), we get a palindrome (7394937).

Subtracting from 7152420 its reverse (242517), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 7152420 in words is "seven million, one hundred fifty-two thousand, four hundred twenty".