7644106 has 4 divisors (see below), whose sum is σ = 11466162. Its totient is φ = 3822052.

The previous prime is 7644103. The next prime is 7644107. The reversal of 7644106 is 6014467.

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

It can be written as a sum of positive squares in only one way, i.e., 6806881 + 837225 = 2609^2 + 915^2 .

It is not an unprimeable number, because it can be changed into a prime (7644103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1911025 + ... + 1911028.

Almost surely, 2^7644106 is an apocalyptic number.

7644106 is a deficient number, since it is larger than the sum of its proper divisors (3822056).

7644106 is a wasteful number, since it uses less digits than its factorization.

7644106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822055.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7644106 is about 2764.7976417814. The cubic root of 7644106 is about 196.9891170433.

It can be divided in two parts, 7644 and 106, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 7644106 in words is "seven million, six hundred forty-four thousand, one hundred six".