7648574137 has 8 divisors (see below), whose sum is σ = 7679119496. Its totient is φ = 7618050432.

The previous prime is 7648574119. The next prime is 7648574179. The reversal of 7648574137 is 7314758467.

It can be written as a sum of positive squares in 4 ways, for example, as 22201 + 7648551936 = 149^2 + 87456^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7648574137 - 2⁷ = 7648574009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330333 + ... + 1336069.

It is an arithmetic number, because the mean of its divisors is an integer number (959889937).

Almost surely, 2^7648574137 is an apocalyptic number.

It is an amenable number.

7648574137 is a deficient number, since it is larger than the sum of its proper divisors (30545359).

7648574137 is a wasteful number, since it uses less digits than its factorization.

7648574137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10827.

The product of its digits is 3951360, while the sum is 52.

The square root of 7648574137 is about 87456.1269265910. The cubic root of 7648574137 is about 1970.2749096283.

The spelling of 7648574137 in words is "seven billion, six hundred forty-eight million, five hundred seventy-four thousand, one hundred thirty-seven".