100893729 has 4 divisors (see below), whose sum is σ = 134524976. Its totient is φ = 67262484.

The previous prime is 100893707. The next prime is 100893731. The reversal of 100893729 is 927398001.

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 not a de Polignac number, because 100893729 - 2⁸ = 100893473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100893799) 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, 16815619 + ... + 16815624.

It is an arithmetic number, because the mean of its divisors is an integer number (33631244).

Almost surely, 2^100893729 is an apocalyptic number.

It is an amenable number.

100893729 is a deficient number, since it is larger than the sum of its proper divisors (33631247).

100893729 is an equidigital number, since it uses as much as digits as its factorization.

100893729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33631246.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 100893729 is about 10044.5870497497. The cubic root of 100893729 is about 465.5375584580.

The spelling of 100893729 in words is "one hundred million, eight hundred ninety-three thousand, seven hundred twenty-nine".