7201236 has 72 divisors (see below), whose sum is σ = 20135136. Its totient is φ = 1995840.

The previous prime is 7201211. The next prime is 7201237. The reversal of 7201236 is 6321027.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7201237) 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 23 ways as a sum of consecutive naturals, for example, 21591 + ... + 21921.

Almost surely, 2^7201236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7201236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10067568).

7201236 is an abundant number, since it is smaller than the sum of its proper divisors (12933900).

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

7201236 is a wasteful number, since it uses less digits than its factorization.

7201236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 7201236 is about 2683.5118781179. The cubic root of 7201236 is about 193.1089257785.

The spelling of 7201236 in words is "seven million, two hundred one thousand, two hundred thirty-six".