72397050 has 192 divisors, whose sum is σ = 216950400. Its totient is φ = 15769600.

The previous prime is 72397027. The next prime is 72397097. The reversal of 72397050 is 5079327.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 813406 + ... + 813494.

It is an arithmetic number, because the mean of its divisors is an integer number (1129950).

Almost surely, 2^72397050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72397050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108475200).

72397050 is an abundant number, since it is smaller than the sum of its proper divisors (144553350).

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

72397050 is a wasteful number, since it uses less digits than its factorization.

72397050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 72397050 is about 8508.6456031498. The cubic root of 72397050 is about 416.7800829032.

The spelling of 72397050 in words is "seventy-two million, three hundred ninety-seven thousand, fifty".