7289712 has 120 divisors (see below), whose sum is σ = 22284288. Its totient is φ = 2217600.

The previous prime is 7289693. The next prime is 7289713. The reversal of 7289712 is 2179827.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7289713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102637 + ... + 102707.

Almost surely, 2^7289712 is an apocalyptic number.

7289712 is a gapful number since it is divisible by the number (72) 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 7289712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11142144).

7289712 is an abundant number, since it is smaller than the sum of its proper divisors (14994576).

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

7289712 is a wasteful number, since it uses less digits than its factorization.

7289712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 130 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 7289712 is about 2699.9466661399. The cubic root of 7289712 is about 193.8965686652.

It can be divided in two parts, 7289 and 712, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 7289712 in words is "seven million, two hundred eighty-nine thousand, seven hundred twelve".