7296520 has 128 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 2154240.

The previous prime is 7296493. The next prime is 7296521. The reversal of 7296520 is 256927.

7296520 = T₂₈₇ + T₂₈₈ + ... + T₄₀₆.

It is a super-2 number, since 2×7296520² = 106478408220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7296521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70789 + ... + 70891.

It is an arithmetic number, because the mean of its divisors is an integer number (168480).

Almost surely, 2^7296520 is an apocalyptic number.

7296520 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 7296520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10782720).

7296520 is an abundant number, since it is smaller than the sum of its proper divisors (14268920).

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

7296520 is a wasteful number, since it uses less digits than its factorization.

7296520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 7296520 is about 2701.2071375591. The cubic root of 7296520 is about 193.9569111091.

The spelling of 7296520 in words is "seven million, two hundred ninety-six thousand, five hundred twenty".