7521672645007 has 4 divisors (see below), whose sum is σ = 7633936415896. Its totient is φ = 7409408874120.

The previous prime is 7521672644957. The next prime is 7521672645041. The reversal of 7521672645007 is 7005462761257.

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

It is a cyclic number.

It is not a de Polignac number, because 7521672645007 - 2⁷ = 7521672644879 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 (7521672645307) 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, 56131885344 + ... + 56131885477.

It is an arithmetic number, because the mean of its divisors is an integer number (1908484103974).

Almost surely, 2^{7521672645007} is an apocalyptic number.

7521672645007 is a deficient number, since it is larger than the sum of its proper divisors (112263770889).

7521672645007 is a wasteful number, since it uses less digits than its factorization.

7521672645007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112263770888.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 7521672645007 in words is "seven trillion, five hundred twenty-one billion, six hundred seventy-two million, six hundred forty-five thousand, seven".