7480045 has 4 divisors (see below), whose sum is σ = 8976060. Its totient is φ = 5984032.

The previous prime is 7480027. The next prime is 7480069. The reversal of 7480045 is 5400847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1705636 + 5774409 = 1306^2 + 2403^2 .

It is a cyclic number.

It is not a de Polignac number, because 7480045 - 2⁵ = 7480013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7479995 and 7480022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748000 + ... + 748009.

It is an arithmetic number, because the mean of its divisors is an integer number (2244015).

Almost surely, 2^7480045 is an apocalyptic number.

It is an amenable number.

7480045 is a deficient number, since it is larger than the sum of its proper divisors (1496015).

7480045 is a wasteful number, since it uses less digits than its factorization.

7480045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496014.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 7480045 is about 2734.9670930379. The cubic root of 7480045 is about 195.5696252336.

The spelling of 7480045 in words is "seven million, four hundred eighty thousand, forty-five".