7006538 has 16 divisors (see below), whose sum is σ = 13103424. Its totient is φ = 2729760.

The previous prime is 7006537. The next prime is 7006541. The reversal of 7006538 is 8356007.

It is a self number, because there is not a number n which added to its sum of digits gives 7006538.

It is not an unprimeable number, because it can be changed into a prime (7006537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22595 + ... + 22902.

It is an arithmetic number, because the mean of its divisors is an integer number (818964).

Almost surely, 2^7006538 is an apocalyptic number.

7006538 is a deficient number, since it is larger than the sum of its proper divisors (6096886).

7006538 is a wasteful number, since it uses less digits than its factorization.

7006538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45517.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7006538 is about 2646.9865885569. The cubic root of 7006538 is about 191.3526556693.

The spelling of 7006538 in words is "seven million, six thousand, five hundred thirty-eight".