72055416 has 32 divisors (see below), whose sum is σ = 180824400. Its totient is φ = 23927040.

The previous prime is 72055411. The next prime is 72055433. The reversal of 72055416 is 61455027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72055411) 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, 876 + ... + 12036.

Almost surely, 2^72055416 is an apocalyptic number.

It is an amenable number.

72055416 is an abundant number, since it is smaller than the sum of its proper divisors (108768984).

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

72055416 is a wasteful number, since it uses less digits than its factorization.

72055416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11439 (or 11435 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 72055416 is about 8488.5461652747. The cubic root of 72055416 is about 416.1234686517.

It can be divided in two parts, 7205 and 5416, that added together give a palindrome (12621).

The spelling of 72055416 in words is "seventy-two million, fifty-five thousand, four hundred sixteen".