7486134640 has 20 divisors (see below), whose sum is σ = 17405263224. Its totient is φ = 2994453824.

The previous prime is 7486134613. The next prime is 7486134641. The reversal of 7486134640 is 464316847.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7486134641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46788262 + ... + 46788421.

Almost surely, 2^7486134640 is an apocalyptic number.

It is an amenable number.

7486134640 is an abundant number, since it is smaller than the sum of its proper divisors (9919128584).

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

7486134640 is a wasteful number, since it uses less digits than its factorization.

7486134640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93576696 (or 93576690 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 7486134640 is about 86522.4516527358. The cubic root of 7486134640 is about 1956.2268309477.

The spelling of 7486134640 in words is "seven billion, four hundred eighty-six million, one hundred thirty-four thousand, six hundred forty".