7257532737 has 48 divisors (see below), whose sum is σ = 12276176640. Its totient is φ = 3779612928.

The previous prime is 7257532717. The next prime is 7257532787. The reversal of 7257532737 is 7372357527.

It is not a de Polignac number, because 7257532737 - 2⁶ = 7257532673 is a prime.

It is a super-2 number, since 2×7257532737² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7257532717) 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 47 ways as a sum of consecutive naturals, for example, 126933 + ... + 175005.

It is an arithmetic number, because the mean of its divisors is an integer number (255753680).

Almost surely, 2^7257532737 is an apocalyptic number.

It is an amenable number.

7257532737 is a deficient number, since it is larger than the sum of its proper divisors (5018643903).

7257532737 is a wasteful number, since it uses less digits than its factorization.

7257532737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48182 (or 48175 counting only the distinct ones).

The product of its digits is 2160900, while the sum is 48.

The square root of 7257532737 is about 85191.1541006459. The cubic root of 7257532737 is about 1936.1083939471.

The spelling of 7257532737 in words is "seven billion, two hundred fifty-seven million, five hundred thirty-two thousand, seven hundred thirty-seven".