7207642 has 8 divisors (see below), whose sum is σ = 11643156. Its totient is φ = 3326592.

The previous prime is 7207633. The next prime is 7207649. The reversal of 7207642 is 2467027.

7207642 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 2 ways, for example, as 7187761 + 19881 = 2681^2 + 141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7207642.

It is not an unprimeable number, because it can be changed into a prime (7207649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138583 + ... + 138634.

Almost surely, 2^7207642 is an apocalyptic number.

7207642 is a deficient number, since it is larger than the sum of its proper divisors (4435514).

7207642 is a wasteful number, since it uses less digits than its factorization.

7207642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277232.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 7207642 is about 2684.7051979687. The cubic root of 7207642 is about 193.1661700786.

The spelling of 7207642 in words is "seven million, two hundred seven thousand, six hundred forty-two".