72025542 has 24 divisors (see below), whose sum is σ = 164269560. Its totient is φ = 22744800.

The previous prime is 72025537. The next prime is 72025543. The reversal of 72025542 is 24552027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72025543) 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 11 ways as a sum of consecutive naturals, for example, 104959 + ... + 105642.

It is an arithmetic number, because the mean of its divisors is an integer number (6844565).

Almost surely, 2^72025542 is an apocalyptic number.

72025542 is an abundant number, since it is smaller than the sum of its proper divisors (92244018).

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

72025542 is a wasteful number, since it uses less digits than its factorization.

72025542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210628 (or 210625 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 72025542 is about 8486.7863175645. The cubic root of 72025542 is about 416.0659527768.

Adding to 72025542 its reverse (24552027), we get a palindrome (96577569).

It can be divided in two parts, 720 and 25542, that added together give a palindrome (26262).

The spelling of 72025542 in words is "seventy-two million, twenty-five thousand, five hundred forty-two".