7480740 has 24 divisors (see below), whose sum is σ = 20946240. Its totient is φ = 1994848.

The previous prime is 7480729. The next prime is 7480741. The reversal of 7480740 is 470847.

It is a super-2 number, since 2×7480740² = 111922941895200, which contains 22 as substring.

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 = 7480698 and 7480707.

It is not an unprimeable number, because it can be changed into a prime (7480741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62280 + ... + 62399.

It is an arithmetic number, because the mean of its divisors is an integer number (872760).

Almost surely, 2^7480740 is an apocalyptic number.

It is an amenable number.

7480740 is an abundant number, since it is smaller than the sum of its proper divisors (13465500).

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

7480740 is a wasteful number, since it uses less digits than its factorization.

7480740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124691 (or 124689 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 7480740 is about 2735.0941482881. The cubic root of 7480740 is about 195.5756820902.

It can be divided in two parts, 74807 and 40, that added together give a palindrome (74847).

The spelling of 7480740 in words is "seven million, four hundred eighty thousand, seven hundred forty".