99993067 has 4 divisors (see below), whose sum is σ = 105255880. Its totient is φ = 94730256.

The previous prime is 99993053. The next prime is 99993071. The reversal of 99993067 is 76039999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76039999 = 7 ⋅10862857.

It is a cyclic number.

It is not a de Polignac number, because 99993067 - 2⁷ = 99992939 is a prime.

It is a super-2 number, since 2×99993067² = 19997226896132978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99993097) 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, 2631378 + ... + 2631415.

It is an arithmetic number, because the mean of its divisors is an integer number (26313970).

Almost surely, 2^99993067 is an apocalyptic number.

99993067 is a deficient number, since it is larger than the sum of its proper divisors (5262813).

99993067 is a wasteful number, since it uses less digits than its factorization.

99993067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262812.

The product of its (nonzero) digits is 826686, while the sum is 52.

The square root of 99993067 is about 9999.6533439915. The cubic root of 99993067 is about 464.1481564016.

The spelling of 99993067 in words is "ninety-nine million, nine hundred ninety-three thousand, sixty-seven".