7123870445 has 8 divisors (see below), whose sum is σ = 8843425560. Its totient is φ = 5502575680.

The previous prime is 7123870433. The next prime is 7123870489. The reversal of 7123870445 is 5440783217.

It can be written as a sum of positive squares in 4 ways, for example, as 904024489 + 6219845956 = 30067^2 + 78866^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7123870445 - 2²⁰ = 7122821869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24564926 + ... + 24565215.

It is an arithmetic number, because the mean of its divisors is an integer number (1105428195).

Almost surely, 2^7123870445 is an apocalyptic number.

It is an amenable number.

7123870445 is a deficient number, since it is larger than the sum of its proper divisors (1719555115).

7123870445 is a wasteful number, since it uses less digits than its factorization.

7123870445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49130175.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 7123870445 is about 84403.0239090994. The cubic root of 7123870445 is about 1924.1488738621.

The spelling of 7123870445 in words is "seven billion, one hundred twenty-three million, eight hundred seventy thousand, four hundred forty-five".