72025406 has 16 divisors (see below), whose sum is σ = 109731840. Its totient is φ = 35451000.

The previous prime is 72025403. The next prime is 72025411. The reversal of 72025406 is 60452027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72025403) 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, 95531 + ... + 96281.

It is an arithmetic number, because the mean of its divisors is an integer number (6858240).

Almost surely, 2^72025406 is an apocalyptic number.

72025406 is a deficient number, since it is larger than the sum of its proper divisors (37706434).

72025406 is a wasteful number, since it uses less digits than its factorization.

72025406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 72025406 is about 8486.7783051049. The cubic root of 72025406 is about 416.0656909020.

The spelling of 72025406 in words is "seventy-two million, twenty-five thousand, four hundred six".