7520172 has 48 divisors (see below), whose sum is σ = 19982592. Its totient is φ = 2178880.

The previous prime is 7520113. The next prime is 7520173. The reversal of 7520172 is 2710257.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7520173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1798 + ... + 4274.

It is an arithmetic number, because the mean of its divisors is an integer number (416304).

Almost surely, 2^7520172 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 7520172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9991296).

7520172 is an abundant number, since it is smaller than the sum of its proper divisors (12462420).

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

7520172 is a wasteful number, since it uses less digits than its factorization.

7520172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518 (or 2516 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 7520172 is about 2742.2932009543. The cubic root of 7520172 is about 195.9187154269.

It can be divided in two parts, 75 and 20172, that multiplied together give a square (1512900 = 1230²).

The spelling of 7520172 in words is "seven million, five hundred twenty thousand, one hundred seventy-two".