7620813023 has 4 divisors (see below), whose sum is σ = 8069096160. Its totient is φ = 7172529888.

The previous prime is 7620813017. The next prime is 7620813089. The reversal of 7620813023 is 3203180267.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3203180267 = 7 ⋅457597181.

It is a cyclic number.

It is not a de Polignac number, because 7620813023 - 2⁴ = 7620813007 is a prime.

It is a super-2 number, since 2×7620813023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7620813523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224141543 + ... + 224141576.

It is an arithmetic number, because the mean of its divisors is an integer number (2017274040).

Almost surely, 2^7620813023 is an apocalyptic number.

7620813023 is a deficient number, since it is larger than the sum of its proper divisors (448283137).

7620813023 is a wasteful number, since it uses less digits than its factorization.

7620813023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448283136.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 7620813023 is about 87297.2681302227. The cubic root of 7620813023 is about 1967.8882627880. Note that the first 3 decimals are identical.

The spelling of 7620813023 in words is "seven billion, six hundred twenty million, eight hundred thirteen thousand, twenty-three".