7649629 has 4 divisors (see below), whose sum is σ = 8238076. Its totient is φ = 7061184.

The previous prime is 7649617. The next prime is 7649641. The reversal of 7649629 is 9269467.

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

It is an interprime number because it is at equal distance from previous prime (7649617) and next prime (7649641).

It can be written as a sum of positive squares in 2 ways, for example, as 5184729 + 2464900 = 2277^2 + 1570^2 .

It is not a de Polignac number, because 7649629 - 2¹³ = 7641437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294204 + ... + 294229.

It is an arithmetic number, because the mean of its divisors is an integer number (2059519).

Almost surely, 2^7649629 is an apocalyptic number.

It is an amenable number.

7649629 is a deficient number, since it is larger than the sum of its proper divisors (588447).

7649629 is a wasteful number, since it uses less digits than its factorization.

7649629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588446.

The product of its digits is 163296, while the sum is 43.

The square root of 7649629 is about 2765.7962687082. The cubic root of 7649629 is about 197.0365483136.

It can be divided in two parts, 7 and 649629, that added together give a square (649636 = 806²).

The spelling of 7649629 in words is "seven million, six hundred forty-nine thousand, six hundred twenty-nine".