7201642 has 16 divisors (see below), whose sum is σ = 13072320. Its totient is φ = 2904768.

The previous prime is 7201639. The next prime is 7201651. The reversal of 7201642 is 2461027.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14892 + ... + 15367.

It is an arithmetic number, because the mean of its divisors is an integer number (817020).

Almost surely, 2^7201642 is an apocalyptic number.

7201642 is a deficient number, since it is larger than the sum of its proper divisors (5870678).

7201642 is a wasteful number, since it uses less digits than its factorization.

7201642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30285.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7201642 is about 2683.5875241922. The cubic root of 7201642 is about 193.1125548199.

Adding to 7201642 its reverse (2461027), we get a palindrome (9662669).

The spelling of 7201642 in words is "seven million, two hundred one thousand, six hundred forty-two".