7421073625 has 64 divisors (see below), whose sum is σ = 11092303872. Its totient is φ = 4846564800.

The previous prime is 7421073623. The next prime is 7421073643. The reversal of 7421073625 is 5263701247.

It is a happy number.

It is not a de Polignac number, because 7421073625 - 2¹ = 7421073623 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7421073623) 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 63 ways as a sum of consecutive naturals, for example, 5694724 + ... + 5696026.

It is an arithmetic number, because the mean of its divisors is an integer number (173317248).

Almost surely, 2^7421073625 is an apocalyptic number.

It is an amenable number.

7421073625 is a deficient number, since it is larger than the sum of its proper divisors (3671230247).

7421073625 is a wasteful number, since it uses less digits than its factorization.

7421073625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 7421073625 is about 86145.6535467693. The cubic root of 7421073625 is about 1950.5432302003.

The spelling of 7421073625 in words is "seven billion, four hundred twenty-one million, seventy-three thousand, six hundred twenty-five".