7664045 has 8 divisors (see below), whose sum is σ = 9213696. Its totient is φ = 6120016.

The previous prime is 7664029. The next prime is 7664047. The reversal of 7664045 is 5404667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7664045 - 2⁴ = 7664029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2684 + ... + 4746.

It is an arithmetic number, because the mean of its divisors is an integer number (1151712).

Almost surely, 2^7664045 is an apocalyptic number.

It is an amenable number.

7664045 is a deficient number, since it is larger than the sum of its proper divisors (1549651).

7664045 is a wasteful number, since it uses less digits than its factorization.

7664045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 7664045 is about 2768.4011631265. The cubic root of 7664045 is about 197.1602447882.

The spelling of 7664045 in words is "seven million, six hundred sixty-four thousand, forty-five".