7424379621 has 32 divisors (see below), whose sum is σ = 11715943680. Its totient is φ = 4630491648.

The previous prime is 7424379541. The next prime is 7424379623. The reversal of 7424379621 is 1269734247.

It is not a de Polignac number, because 7424379621 - 2⁷ = 7424379493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7424379623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28225 + ... + 125081.

It is an arithmetic number, because the mean of its divisors is an integer number (366123240).

Almost surely, 2^7424379621 is an apocalyptic number.

It is an amenable number.

7424379621 is a deficient number, since it is larger than the sum of its proper divisors (4291564059).

7424379621 is a wasteful number, since it uses less digits than its factorization.

7424379621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97050 (or 97044 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 7424379621 is about 86164.8398188031. The cubic root of 7424379621 is about 1950.8328347825.

The spelling of 7424379621 in words is "seven billion, four hundred twenty-four million, three hundred seventy-nine thousand, six hundred twenty-one".