72179352 has 144 divisors (see below), whose sum is σ = 233415000. Its totient is φ = 20079360.

The previous prime is 72179351. The next prime is 72179353. The reversal of 72179352 is 25397127.

It is an interprime number because it is at equal distance from previous prime (72179351) and next prime (72179353).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72179351) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 144399 + ... + 144897.

Almost surely, 2^72179352 is an apocalyptic number.

72179352 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72179352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116707500).

72179352 is an abundant number, since it is smaller than the sum of its proper divisors (161235648).

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

72179352 is a wasteful number, since it uses less digits than its factorization.

72179352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 552 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 72179352 is about 8495.8432188924. The cubic root of 72179352 is about 416.3619107693.

The spelling of 72179352 in words is "seventy-two million, one hundred seventy-nine thousand, three hundred fifty-two".