72245088 has 48 divisors (see below), whose sum is σ = 210717360. Its totient is φ = 24081408.

The previous prime is 72245071. The next prime is 72245099. The reversal of 72245088 is 88054227.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40945 + ... + 42672.

It is an arithmetic number, because the mean of its divisors is an integer number (4389945).

Almost surely, 2^72245088 is an apocalyptic number.

It is an amenable number.

72245088 is an abundant number, since it is smaller than the sum of its proper divisors (138472272).

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

72245088 is a wasteful number, since it uses less digits than its factorization.

72245088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83636 (or 83622 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 72245088 is about 8499.7110539124. The cubic root of 72245088 is about 416.4882703681.

The spelling of 72245088 in words is "seventy-two million, two hundred forty-five thousand, eighty-eight".