7201601605 has 8 divisors (see below), whose sum is σ = 9427551264. Its totient is φ = 5237528400.

The previous prime is 7201601593. The next prime is 7201601629. The reversal of 7201601605 is 5061061027.

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

It is not a de Polignac number, because 7201601605 - 2⁵ = 7201601573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65469051 + ... + 65469160.

It is an arithmetic number, because the mean of its divisors is an integer number (1178443908).

Almost surely, 2^7201601605 is an apocalyptic number.

It is an amenable number.

7201601605 is a deficient number, since it is larger than the sum of its proper divisors (2225949659).

7201601605 is a wasteful number, since it uses less digits than its factorization.

7201601605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130938227.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 7201601605 is about 84862.2507655789. The cubic root of 7201601605 is about 1931.1219375429.

It can be divided in two parts, 7201 and 601605, that added together give a palindrome (608806).

The spelling of 7201601605 in words is "seven billion, two hundred one million, six hundred one thousand, six hundred five".