7201871290 has 16 divisors (see below), whose sum is σ = 13313730312. Its totient is φ = 2802890304.

The previous prime is 7201871269. The next prime is 7201871293. The reversal of 7201871290 is 921781027.

7201871290 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6032162889 + 1169708401 = 77667^2 + 34201^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (7201871293) by changing a digit.

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, 9731889 + ... + 9732628.

Almost surely, 2^7201871290 is an apocalyptic number.

7201871290 is a deficient number, since it is larger than the sum of its proper divisors (6111859022).

7201871290 is a wasteful number, since it uses less digits than its factorization.

7201871290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19464561.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 7201871290 is about 84863.8397080877. The cubic root of 7201871290 is about 1931.1460427419.

The spelling of 7201871290 in words is "seven billion, two hundred one million, eight hundred seventy-one thousand, two hundred ninety".