7537216872 has 16 divisors (see below), whose sum is σ = 18843042240. Its totient is φ = 2512405616.

The previous prime is 7537216871. The next prime is 7537216879. The reversal of 7537216872 is 2786127357.

It is a super-2 number, since 2×7537216872² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7537216871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157025328 + ... + 157025375.

It is an arithmetic number, because the mean of its divisors is an integer number (1177690140).

Almost surely, 2^7537216872 is an apocalyptic number.

It is an amenable number.

7537216872 is an abundant number, since it is smaller than the sum of its proper divisors (11305825368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7537216872 is a wasteful number, since it uses less digits than its factorization.

7537216872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314050712 (or 314050708 counting only the distinct ones).

The product of its digits is 987840, while the sum is 48.

The square root of 7537216872 is about 86817.1461866837. The cubic root of 7537216872 is about 1960.6662381759. Note that the first 3 decimals are identical.

The spelling of 7537216872 in words is "seven billion, five hundred thirty-seven million, two hundred sixteen thousand, eight hundred seventy-two".