7140628 has 12 divisors (see below), whose sum is σ = 13632192. Its totient is φ = 3245720.

The previous prime is 7140611. The next prime is 7140643. The reversal of 7140628 is 8260417.

It is a junction number, because it is equal to n+sod(n) for n = 7140596 and 7140605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81100 + ... + 81187.

It is an arithmetic number, because the mean of its divisors is an integer number (1136016).

Almost surely, 2^7140628 is an apocalyptic number.

It is an amenable number.

7140628 is a deficient number, since it is larger than the sum of its proper divisors (6491564).

7140628 is a wasteful number, since it uses less digits than its factorization.

7140628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162302 (or 162300 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 7140628 is about 2672.1953521403. The cubic root of 7140628 is about 192.5656424248.

The spelling of 7140628 in words is "seven million, one hundred forty thousand, six hundred twenty-eight".