7632649 has 2 divisors, whose sum is σ = 7632650. Its totient is φ = 7632648.

The previous prime is 7632641. The next prime is 7632673. The reversal of 7632649 is 9462367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5322249 + 2310400 = 2307^2 + 1520^2 .

It is an emirp because it is prime and its reverse (9462367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7632649 - 2³ = 7632641 is a prime.

It is a super-3 number, since 3×7632649³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7632641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3816324 + 3816325.

It is an arithmetic number, because the mean of its divisors is an integer number (3816325).

Almost surely, 2^7632649 is an apocalyptic number.

It is an amenable number.

7632649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7632649 is an equidigital number, since it uses as much as digits as its factorization.

7632649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 7632649 is about 2762.7249229701. The cubic root of 7632649 is about 196.8906519512.

It can be divided in two parts, 7632 and 649, that added together give a square (8281 = 91²).

The spelling of 7632649 in words is "seven million, six hundred thirty-two thousand, six hundred forty-nine".