7202058661 has 18 divisors (see below), whose sum is σ = 8842076550. Its totient is φ = 5848273872.

The previous prime is 7202058641. The next prime is 7202058709. The reversal of 7202058661 is 1668502027.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6157540900 + 1044517761 = 78470^2 + 32319^2 .

It is not a de Polignac number, because 7202058661 - 2⁵ = 7202058629 is a prime.

It is a super-2 number, since 2×7202058661² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7202058661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7202058631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 185886 + ... + 221263.

It is an arithmetic number, because the mean of its divisors is an integer number (491226475).

Almost surely, 2^7202058661 is an apocalyptic number.

It is an amenable number.

7202058661 is a deficient number, since it is larger than the sum of its proper divisors (1640017889).

7202058661 is a wasteful number, since it uses less digits than its factorization.

7202058661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407201 (or 407175 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 7202058661 is about 84864.9436516634. The cubic root of 7202058661 is about 1931.1627901312.

The spelling of 7202058661 in words is "seven billion, two hundred two million, fifty-eight thousand, six hundred sixty-one".