7072736 has 48 divisors (see below), whose sum is σ = 15458688. Its totient is φ = 3158400.

The previous prime is 7072699. The next prime is 7072771. The reversal of 7072736 is 6372707.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24851 + ... + 25133.

It is an arithmetic number, because the mean of its divisors is an integer number (322056).

Almost surely, 2^7072736 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 7072736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7729344).

7072736 is an abundant number, since it is smaller than the sum of its proper divisors (8385952).

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

7072736 is a wasteful number, since it uses less digits than its factorization.

7072736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 7072736 is about 2659.4615996476. The cubic root of 7072736 is about 191.9534030440.

It can be divided in two parts, 707 and 2736, that added together give a palindrome (3443).

The spelling of 7072736 in words is "seven million, seventy-two thousand, seven hundred thirty-six".