67500973 has 4 divisors (see below), whose sum is σ = 67531068. Its totient is φ = 67470880.

The previous prime is 67500971. The next prime is 67500989. The reversal of 67500973 is 37900576.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2569609 + 64931364 = 1603^2 + 8058^2 .

It is a cyclic number.

It is not a de Polignac number, because 67500973 - 2¹ = 67500971 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 (67500971) 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, 11386 + ... + 16267.

It is an arithmetic number, because the mean of its divisors is an integer number (16882767).

Almost surely, 2^67500973 is an apocalyptic number.

It is an amenable number.

67500973 is a deficient number, since it is larger than the sum of its proper divisors (30095).

67500973 is a wasteful number, since it uses less digits than its factorization.

67500973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30094.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 67500973 is about 8215.8975772584. The cubic root of 67500973 is about 407.1645988712.

The spelling of 67500973 in words is "sixty-seven million, five hundred thousand, nine hundred seventy-three".