7420507 has 4 divisors (see below), whose sum is σ = 7811080. Its totient is φ = 7029936.

The previous prime is 7420499. The next prime is 7420519. The reversal of 7420507 is 7050247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7050247 = 103 ⋅68449.

It is a cyclic number.

It is not a de Polignac number, because 7420507 - 2³ = 7420499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7420537) 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 3 ways as a sum of consecutive naturals, for example, 195258 + ... + 195295.

It is an arithmetic number, because the mean of its divisors is an integer number (1952770).

Almost surely, 2^7420507 is an apocalyptic number.

7420507 is a deficient number, since it is larger than the sum of its proper divisors (390573).

7420507 is a wasteful number, since it uses less digits than its factorization.

7420507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390572.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 7420507 is about 2724.0607555633. The cubic root of 7420507 is about 195.0493585331.

The spelling of 7420507 in words is "seven million, four hundred twenty thousand, five hundred seven".