94388729 has 4 divisors (see below), whose sum is σ = 95797584. Its totient is φ = 92979876.

The previous prime is 94388719. The next prime is 94388759. The reversal of 94388729 is 92788349.

It is a happy number.

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 94388729 - 2⁸ = 94388473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94388719) 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, 704327 + ... + 704460.

It is an arithmetic number, because the mean of its divisors is an integer number (23949396).

Almost surely, 2^94388729 is an apocalyptic number.

It is an amenable number.

94388729 is a deficient number, since it is larger than the sum of its proper divisors (1408855).

94388729 is a wasteful number, since it uses less digits than its factorization.

94388729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408854.

The product of its digits is 870912, while the sum is 50.

The square root of 94388729 is about 9715.3861992203. The cubic root of 94388729 is about 455.3095008107.

The spelling of 94388729 in words is "ninety-four million, three hundred eighty-eight thousand, seven hundred twenty-nine".