7420051 has 8 divisors (see below), whose sum is σ = 7866000. Its totient is φ = 6979680.

The previous prime is 7420043. The next prime is 7420069. The reversal of 7420051 is 1500247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7420051 - 2³ = 7420043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (7420001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (983250).

Almost surely, 2^7420051 is an apocalyptic number.

7420051 is a deficient number, since it is larger than the sum of its proper divisors (445949).

7420051 is a wasteful number, since it uses less digits than its factorization.

7420051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 7420051 is about 2723.9770557037. The cubic root of 7420051 is about 195.0453631040.

Adding to 7420051 its reverse (1500247), we get a palindrome (8920298).

The spelling of 7420051 in words is "seven million, four hundred twenty thousand, fifty-one".