7640373423 has 16 divisors (see below), whose sum is σ = 11013153920. Its totient is φ = 4695078816.

The previous prime is 7640373409. The next prime is 7640373469. The reversal of 7640373423 is 3243730467.

It is not a de Polignac number, because 7640373423 - 2⁴ = 7640373407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7640372423) 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, 1809265 + ... + 1813482.

It is an arithmetic number, because the mean of its divisors is an integer number (688322120).

Almost surely, 2^7640373423 is an apocalyptic number.

7640373423 is a deficient number, since it is larger than the sum of its proper divisors (3372780497).

7640373423 is a wasteful number, since it uses less digits than its factorization.

7640373423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622806.

The product of its (nonzero) digits is 254016, while the sum is 39.

The square root of 7640373423 is about 87409.2296213621. The cubic root of 7640373423 is about 1969.5704890450.

The spelling of 7640373423 in words is "seven billion, six hundred forty million, three hundred seventy-three thousand, four hundred twenty-three".