7423130 has 64 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 2392320.

The previous prime is 7423111. The next prime is 7423153. The reversal of 7423130 is 313247.

7423130 = 781² + 782² + ... + 792².

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41381 + ... + 41559.

It is an arithmetic number, because the mean of its divisors is an integer number (255150).

Almost surely, 2^7423130 is an apocalyptic number.

7423130 is an abundant number, since it is smaller than the sum of its proper divisors (8906470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7423130 is a wasteful number, since it uses less digits than its factorization.

7423130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7423130 is about 2724.5421633735. The cubic root of 7423130 is about 195.0723378344.

Adding to 7423130 its reverse (313247), we get a palindrome (7736377).

The spelling of 7423130 in words is "seven million, four hundred twenty-three thousand, one hundred thirty".