72324700 has 72 divisors (see below), whose sum is σ = 180495392. Its totient is φ = 24641280.

The previous prime is 72324653. The next prime is 72324713. The reversal of 72324700 is 742327.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193714 + ... + 194086.

Almost surely, 2^72324700 is an apocalyptic number.

72324700 is a gapful number since it is divisible by the number (70) 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 72324700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90247696).

72324700 is an abundant number, since it is smaller than the sum of its proper divisors (108170692).

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

72324700 is a wasteful number, since it uses less digits than its factorization.

72324700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 72324700 is about 8504.3929824532. The cubic root of 72324700 is about 416.6412002213.

The spelling of 72324700 in words is "seventy-two million, three hundred twenty-four thousand, seven hundred".