94117721 has 8 divisors (see below), whose sum is σ = 94802400. Its totient is φ = 93436000.

The previous prime is 94117711. The next prime is 94117739. The reversal of 94117721 is 12771149.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 94117721 - 2¹⁸ = 93855577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94117711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142490 + ... + 143148.

It is an arithmetic number, because the mean of its divisors is an integer number (11850300).

Almost surely, 2^94117721 is an apocalyptic number.

It is an amenable number.

94117721 is a deficient number, since it is larger than the sum of its proper divisors (684679).

94117721 is a wasteful number, since it uses less digits than its factorization.

94117721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479.

The product of its digits is 3528, while the sum is 32.

The square root of 94117721 is about 9701.4288122936. The cubic root of 94117721 is about 454.8733230251.

The spelling of 94117721 in words is "ninety-four million, one hundred seventeen thousand, seven hundred twenty-one".