7378634923 has 16 divisors (see below), whose sum is σ = 8520652800. Its totient is φ = 6325915680.

The previous prime is 7378634881. The next prime is 7378634929. The reversal of 7378634923 is 3294368737.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7378634923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7378634929) 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, 255243 + ... + 282676.

It is an arithmetic number, because the mean of its divisors is an integer number (532540800).

Almost surely, 2^7378634923 is an apocalyptic number.

7378634923 is a deficient number, since it is larger than the sum of its proper divisors (1142017877).

7378634923 is a wasteful number, since it uses less digits than its factorization.

7378634923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538002.

The product of its digits is 4572288, while the sum is 52.

The square root of 7378634923 is about 85898.9809194498. The cubic root of 7378634923 is about 1946.8179461969.

The spelling of 7378634923 in words is "seven billion, three hundred seventy-eight million, six hundred thirty-four thousand, nine hundred twenty-three".