7456745 has 8 divisors (see below), whose sum is σ = 8967240. Its totient is φ = 5952640.

The previous prime is 7456739. The next prime is 7456747. The reversal of 7456745 is 5476547.

7456745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 712336 + 6744409 = 844^2 + 2597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7456745 - 2²⁰ = 6408169 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7456699 and 7456708.

It is not an unprimeable number, because it can be changed into a prime (7456747) 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, 1535 + ... + 4155.

It is an arithmetic number, because the mean of its divisors is an integer number (1120905).

Almost surely, 2^7456745 is an apocalyptic number.

It is an amenable number.

7456745 is a deficient number, since it is larger than the sum of its proper divisors (1510495).

7456745 is a wasteful number, since it uses less digits than its factorization.

7456745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195.

The product of its digits is 117600, while the sum is 38.

The square root of 7456745 is about 2730.7041216507. The cubic root of 7456745 is about 195.3663505273.

The spelling of 7456745 in words is "seven million, four hundred fifty-six thousand, seven hundred forty-five".