7964551 has 24 divisors (see below), whose sum is σ = 10059776. Its totient is φ = 6168960.

The previous prime is 7964549. The next prime is 7964563. The reversal of 7964551 is 1554697.

It is not a de Polignac number, because 7964551 - 2¹ = 7964549 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7964551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7964051) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 62650 + ... + 62776.

Almost surely, 2^7964551 is an apocalyptic number.

7964551 is a deficient number, since it is larger than the sum of its proper divisors (2095225).

7964551 is a wasteful number, since it uses less digits than its factorization.

7964551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 182 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 7964551 is about 2822.1536102771. The cubic root of 7964551 is about 199.7041542589.

It can be divided in two parts, 7964 and 551, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 7964551 in words is "seven million, nine hundred sixty-four thousand, five hundred fifty-one".