73216152 has 24 divisors (see below), whose sum is σ = 198293940. Its totient is φ = 24405360.

The previous prime is 73216147. The next prime is 73216183. The reversal of 73216152 is 25161237.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 508374 + ... + 508517.

Almost surely, 2^73216152 is an apocalyptic number.

73216152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73216152 is an abundant number, since it is smaller than the sum of its proper divisors (125077788).

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

73216152 is a wasteful number, since it uses less digits than its factorization.

73216152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016903 (or 1016896 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 73216152 is about 8556.6437345492. The cubic root of 73216152 is about 418.3460120423.

Adding to 73216152 its reverse (25161237), we get a palindrome (98377389).

It can be divided in two parts, 73 and 216152, that added together give a square (216225 = 465²).

The spelling of 73216152 in words is "seventy-three million, two hundred sixteen thousand, one hundred fifty-two".