7506685 has 8 divisors (see below), whose sum is σ = 9054936. Its totient is φ = 5974080.

The previous prime is 7506677. The next prime is 7506701. The reversal of 7506685 is 5866057.

It can be written as a sum of positive squares in 4 ways, for example, as 4334724 + 3171961 = 2082^2 + 1781^2 .

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

It is not a de Polignac number, because 7506685 - 2³ = 7506677 is a prime.

It is a Duffinian number.

7506685 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2826 + ... + 4795.

It is an arithmetic number, because the mean of its divisors is an integer number (1131867).

Almost surely, 2^7506685 is an apocalyptic number.

It is an amenable number.

7506685 is a deficient number, since it is larger than the sum of its proper divisors (1548251).

7506685 is a wasteful number, since it uses less digits than its factorization.

7506685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 7506685 is about 2739.8330241093. The cubic root of 7506685 is about 195.8015223215.

The spelling of 7506685 in words is "seven million, five hundred six thousand, six hundred eighty-five".