72059420 has 12 divisors (see below), whose sum is σ = 151324824. Its totient is φ = 28823760.

The previous prime is 72059417. The next prime is 72059423. The reversal of 72059420 is 2495027.

It is an interprime number because it is at equal distance from previous prime (72059417) and next prime (72059423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72059423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801466 + ... + 1801505.

It is an arithmetic number, because the mean of its divisors is an integer number (12610402).

Almost surely, 2^72059420 is an apocalyptic number.

It is an amenable number.

72059420 is an abundant number, since it is smaller than the sum of its proper divisors (79265404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72059420 is a wasteful number, since it uses less digits than its factorization.

72059420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602980 (or 3602978 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 72059420 is about 8488.7820092166. The cubic root of 72059420 is about 416.1311762727.

The spelling of 72059420 in words is "seventy-two million, fifty-nine thousand, four hundred twenty".