7406740 has 48 divisors (see below), whose sum is σ = 17164224. Its totient is φ = 2662400.

The previous prime is 7406731. The next prime is 7406741. The reversal of 7406740 is 476047.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7406699 and 7406708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7406741) 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, 28692 + ... + 28948.

It is an arithmetic number, because the mean of its divisors is an integer number (357588).

Almost surely, 2^7406740 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 7406740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8582112).

7406740 is an abundant number, since it is smaller than the sum of its proper divisors (9757484).

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

7406740 is a wasteful number, since it uses less digits than its factorization.

7406740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 7406740 is about 2721.5326564273. The cubic root of 7406740 is about 194.9286611717.

The spelling of 7406740 in words is "seven million, four hundred six thousand, seven hundred forty".