67190641 has 4 divisors (see below), whose sum is σ = 76789312. Its totient is φ = 57591972.

The previous prime is 67190623. The next prime is 67190653. The reversal of 67190641 is 14609176.

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 67190641 - 2¹¹ = 67188593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67190597 and 67190606.

It is not an unprimeable number, because it can be changed into a prime (67190611) 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, 4799325 + ... + 4799338.

It is an arithmetic number, because the mean of its divisors is an integer number (19197328).

Almost surely, 2^67190641 is an apocalyptic number.

It is an amenable number.

67190641 is a deficient number, since it is larger than the sum of its proper divisors (9598671).

67190641 is an equidigital number, since it uses as much as digits as its factorization.

67190641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9598670.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 67190641 is about 8196.9897523420. The cubic root of 67190641 is about 406.5396679340.

The spelling of 67190641 in words is "sixty-seven million, one hundred ninety thousand, six hundred forty-one".