7172480 has 64 divisors (see below), whose sum is σ = 19608480. Its totient is φ = 2457600.

The previous prime is 7172479. The next prime is 7172497. The reversal of 7172480 is 842717.

It is a tau number, because it is divible by the number of its divisors (64).

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, 3680 + ... + 5280.

Almost surely, 2^7172480 is an apocalyptic number.

7172480 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 7172480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9804240).

7172480 is an abundant number, since it is smaller than the sum of its proper divisors (12436000).

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

7172480 is a wasteful number, since it uses less digits than its factorization.

7172480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 7172480 is about 2678.1486142483. The cubic root of 7172480 is about 192.8515418061.

The spelling of 7172480 in words is "seven million, one hundred seventy-two thousand, four hundred eighty".