7234640782 has 4 divisors (see below), whose sum is σ = 10851961176. Its totient is φ = 3617320390.

The previous prime is 7234640753. The next prime is 7234640797. The reversal of 7234640782 is 2870464327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2870464327 = 1931 ⋅1486517.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1808660194 + ... + 1808660197.

It is an arithmetic number, because the mean of its divisors is an integer number (2712990294).

Almost surely, 2^7234640782 is an apocalyptic number.

7234640782 is a deficient number, since it is larger than the sum of its proper divisors (3617320394).

7234640782 is a wasteful number, since it uses less digits than its factorization.

7234640782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617320393.

The product of its (nonzero) digits is 451584, while the sum is 43.

The square root of 7234640782 is about 85056.6915768536. The cubic root of 7234640782 is about 1934.0706037141.

The spelling of 7234640782 in words is "seven billion, two hundred thirty-four million, six hundred forty thousand, seven hundred eighty-two".