7420023 has 12 divisors (see below), whose sum is σ = 11542440. Its totient is φ = 4566096.

The previous prime is 7420009. The next prime is 7420033. The reversal of 7420023 is 3200247.

It is a happy number.

It is not a de Polignac number, because 7420023 - 2⁵ = 7419991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7419978 and 7420005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31593 + ... + 31826.

It is an arithmetic number, because the mean of its divisors is an integer number (961870).

Almost surely, 2^7420023 is an apocalyptic number.

7420023 is a deficient number, since it is larger than the sum of its proper divisors (4122417).

7420023 is a wasteful number, since it uses less digits than its factorization.

7420023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63438 (or 63435 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7420023 is about 2723.9719161548. The cubic root of 7420023 is about 195.0451177653.

The spelling of 7420023 in words is "seven million, four hundred twenty thousand, twenty-three".