7640235814 has 4 divisors (see below), whose sum is σ = 11460353724. Its totient is φ = 3820117906.

The previous prime is 7640235809. The next prime is 7640235817. The reversal of 7640235814 is 4185320467.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7640235817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910058952 + ... + 1910058955.

It is an arithmetic number, because the mean of its divisors is an integer number (2865088431).

Almost surely, 2^7640235814 is an apocalyptic number.

7640235814 is a deficient number, since it is larger than the sum of its proper divisors (3820117910).

7640235814 is a wasteful number, since it uses less digits than its factorization.

7640235814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820117909.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 7640235814 is about 87408.4424641007. The cubic root of 7640235814 is about 1969.5586644811.

The spelling of 7640235814 in words is "seven billion, six hundred forty million, two hundred thirty-five thousand, eight hundred fourteen".