7272042406 has 16 divisors (see below), whose sum is σ = 11486779200. Its totient is φ = 3443269608.

The previous prime is 7272042377. The next prime is 7272042433. The reversal of 7272042406 is 6042402727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60901 + ... + 135103.

It is an arithmetic number, because the mean of its divisors is an integer number (717923700).

Almost surely, 2^7272042406 is an apocalyptic number.

7272042406 is a deficient number, since it is larger than the sum of its proper divisors (4214736794).

7272042406 is a wasteful number, since it uses less digits than its factorization.

7272042406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76803.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 7272042406 is about 85276.2710605946. The cubic root of 7272042406 is about 1937.3977941008.

The spelling of 7272042406 in words is "seven billion, two hundred seventy-two million, forty-two thousand, four hundred six".