7664412 has 24 divisors (see below), whose sum is σ = 20438656. Its totient is φ = 2189808.

The previous prime is 7664407. The next prime is 7664453. The reversal of 7664412 is 2144667.

It is a super-2 number, since 2×7664412² = 117486422611488, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7664412.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 45538 + ... + 45705.

Almost surely, 2^7664412 is an apocalyptic number.

It is an amenable number.

7664412 is an abundant number, since it is smaller than the sum of its proper divisors (12774244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7664412 is a wasteful number, since it uses less digits than its factorization.

7664412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91257 (or 91255 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 7664412 is about 2768.4674460791. The cubic root of 7664412 is about 197.1633918059.

The spelling of 7664412 in words is "seven million, six hundred sixty-four thousand, four hundred twelve".