7790023 has 4 divisors (see below), whose sum is σ = 7906360. Its totient is φ = 7673688.

The previous prime is 7789997. The next prime is 7790047. The reversal of 7790023 is 3200977.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7790023 - 2¹⁷ = 7658951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7789973 and 7790000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7790093) 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, 58068 + ... + 58201.

It is an arithmetic number, because the mean of its divisors is an integer number (1976590).

Almost surely, 2^7790023 is an apocalyptic number.

7790023 is a deficient number, since it is larger than the sum of its proper divisors (116337).

7790023 is a wasteful number, since it uses less digits than its factorization.

7790023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116336.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 7790023 is about 2791.0612676901. The cubic root of 7790023 is about 198.2346553038.

It can be divided in two parts, 77 and 90023, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 7790023 in words is "seven million, seven hundred ninety thousand, twenty-three".