7485240 has 192 divisors, whose sum is σ = 27907200. Its totient is φ = 1596672.

The previous prime is 7485227. The next prime is 7485251. The reversal of 7485240 is 425847.

7485240 = T₂₆₅ + T₂₆₆ + ... + T₃₉₈.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 7485198 and 7485207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111687 + ... + 111753.

It is an arithmetic number, because the mean of its divisors is an integer number (145350).

Almost surely, 2^7485240 is an apocalyptic number.

7485240 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 7485240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13953600).

7485240 is an abundant number, since it is smaller than the sum of its proper divisors (20421960).

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

7485240 is a wasteful number, since it uses less digits than its factorization.

7485240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 7485240 is about 2735.9166653975. The cubic root of 7485240 is about 195.6148900722.

The spelling of 7485240 in words is "seven million, four hundred eighty-five thousand, two hundred forty".