7531340986 has 32 divisors (see below), whose sum is σ = 12897012240. Its totient is φ = 3267634176.

The previous prime is 7531340983. The next prime is 7531340987. The reversal of 7531340986 is 6890431357.

It can be written as a sum of positive squares in 8 ways, for example, as 2188461961 + 5342879025 = 46781^2 + 73095^2 .

It is not an unprimeable number, because it can be changed into a prime (7531340983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377920 + ... + 397348.

Almost surely, 2^7531340986 is an apocalyptic number.

7531340986 is a deficient number, since it is larger than the sum of its proper divisors (5365671254).

7531340986 is a wasteful number, since it uses less digits than its factorization.

7531340986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20338.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 7531340986 is about 86783.2990038982. The cubic root of 7531340986 is about 1960.1566050420.

The spelling of 7531340986 in words is "seven billion, five hundred thirty-one million, three hundred forty thousand, nine hundred eighty-six".