7628506 has 4 divisors (see below), whose sum is σ = 11442762. Its totient is φ = 3814252.

The previous prime is 7628497. The next prime is 7628513. The reversal of 7628506 is 6058267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6058267 = 277 ⋅21871.

It can be written as a sum of positive squares in only one way, i.e., 6890625 + 737881 = 2625^2 + 859^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1907125 + ... + 1907128.

Almost surely, 2^7628506 is an apocalyptic number.

7628506 is a deficient number, since it is larger than the sum of its proper divisors (3814256).

7628506 is a wasteful number, since it uses less digits than its factorization.

7628506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814255.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 7628506 is about 2761.9750179898. The cubic root of 7628506 is about 196.8550214379.

It can be divided in two parts, 76 and 28506, that added together give a palindrome (28582).

The spelling of 7628506 in words is "seven million, six hundred twenty-eight thousand, five hundred six".