146676993 has 4 divisors (see below), whose sum is σ = 195569328. Its totient is φ = 97784660.

The previous prime is 146676977. The next prime is 146677007. The reversal of 146676993 is 399676641.

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 146676993 - 2⁴ = 146676977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146676953) 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, 24446163 + ... + 24446168.

It is an arithmetic number, because the mean of its divisors is an integer number (48892332).

Almost surely, 2^146676993 is an apocalyptic number.

It is an amenable number.

146676993 is a deficient number, since it is larger than the sum of its proper divisors (48892335).

146676993 is an equidigital number, since it uses as much as digits as its factorization.

146676993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48892334.

The product of its digits is 1469664, while the sum is 51.

The square root of 146676993 is about 12111.0277433420. The cubic root of 146676993 is about 527.3763692808.

The spelling of 146676993 in words is "one hundred forty-six million, six hundred seventy-six thousand, nine hundred ninety-three".