67500131 has 4 divisors (see below), whose sum is σ = 68936352. Its totient is φ = 66063912.

The previous prime is 67500077. The next prime is 67500151. The reversal of 67500131 is 13100576.

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 67500131 - 2¹⁴ = 67483747 is a prime.

It is a super-2 number, since 2×67500131² = 9112535370034322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67500097 and 67500106.

It is not an unprimeable number, because it can be changed into a prime (67500151) 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, 718040 + ... + 718133.

It is an arithmetic number, because the mean of its divisors is an integer number (17234088).

Almost surely, 2^67500131 is an apocalyptic number.

67500131 is a deficient number, since it is larger than the sum of its proper divisors (1436221).

67500131 is a wasteful number, since it uses less digits than its factorization.

67500131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436220.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 67500131 is about 8215.8463349797. The cubic root of 67500131 is about 407.1629058881.

The spelling of 67500131 in words is "sixty-seven million, five hundred thousand, one hundred thirty-one".