67325075021 has 4 divisors (see below), whose sum is σ = 67326564000. Its totient is φ = 67323586044.

The previous prime is 67325074969. The next prime is 67325075029. The reversal of 67325075021 is 12057052376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67325075021 - 2¹⁰ = 67325073997 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 (67325075029) 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, 674471 + ... + 767828.

It is an arithmetic number, because the mean of its divisors is an integer number (16831641000).

Almost surely, 2^67325075021 is an apocalyptic number.

It is an amenable number.

67325075021 is a deficient number, since it is larger than the sum of its proper divisors (1488979).

67325075021 is a wasteful number, since it uses less digits than its factorization.

67325075021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488978.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 67325075021 in words is "sixty-seven billion, three hundred twenty-five million, seventy-five thousand, twenty-one".