7406520 has 128 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 1728000.

The previous prime is 7406479. The next prime is 7406537. The reversal of 7406520 is 256047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40830 + ... + 41010.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

Almost surely, 2^7406520 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 7406520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12579840).

7406520 is an abundant number, since it is smaller than the sum of its proper divisors (17753160).

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

7406520 is a wasteful number, since it uses less digits than its factorization.

7406520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 7406520 is about 2721.4922377255. The cubic root of 7406520 is about 194.9267311850.

It can be divided in two parts, 740 and 6520, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 7406520 in words is "seven million, four hundred six thousand, five hundred twenty".