72237696 has 64 divisors (see below), whose sum is σ = 202000800. Its totient is φ = 22809600.

The previous prime is 72237691. The next prime is 72237701. The reversal of 72237696 is 69673227.

It is an interprime number because it is at equal distance from previous prime (72237691) and next prime (72237701).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72237691) 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, 2346 + ... + 12246.

Almost surely, 2^72237696 is an apocalyptic number.

72237696 is a gapful number since it is divisible by the number (76) 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 72237696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101000400).

72237696 is an abundant number, since it is smaller than the sum of its proper divisors (129763104).

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

72237696 is a wasteful number, since it uses less digits than its factorization.

72237696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9937 (or 9925 counting only the distinct ones).

The product of its digits is 190512, while the sum is 42.

The square root of 72237696 is about 8499.2762044776. The cubic root of 72237696 is about 416.4740650826.

The spelling of 72237696 in words is "seventy-two million, two hundred thirty-seven thousand, six hundred ninety-six".