7162428 has 72 divisors (see below), whose sum is σ = 20958672. Its totient is φ = 1886976.

The previous prime is 7162403. The next prime is 7162439. The reversal of 7162428 is 8242617.

7162428 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 7162395 and 7162404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7176 + ... + 8112.

Almost surely, 2^7162428 is an apocalyptic number.

7162428 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7162428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10479336).

7162428 is an abundant number, since it is smaller than the sum of its proper divisors (13796244).

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

7162428 is a wasteful number, since it uses less digits than its factorization.

7162428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 962 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 7162428 is about 2676.2712866972. The cubic root of 7162428 is about 192.7614079423.

The spelling of 7162428 in words is "seven million, one hundred sixty-two thousand, four hundred twenty-eight".