7572420406 has 16 divisors (see below), whose sum is σ = 11732273280. Its totient is φ = 3661813440.

The previous prime is 7572420403. The next prime is 7572420419. The reversal of 7572420406 is 6040242757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7572420403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65880 + ... + 139588.

It is an arithmetic number, because the mean of its divisors is an integer number (733267080).

Almost surely, 2^7572420406 is an apocalyptic number.

7572420406 is a deficient number, since it is larger than the sum of its proper divisors (4159852874).

7572420406 is a wasteful number, since it uses less digits than its factorization.

7572420406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75399.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 7572420406 is about 87019.6552854584. The cubic root of 7572420406 is about 1963.7140121061.

The spelling of 7572420406 in words is "seven billion, five hundred seventy-two million, four hundred twenty thousand, four hundred six".