94730021 has 8 divisors (see below), whose sum is σ = 95975064. Its totient is φ = 93491200.

The previous prime is 94730003. The next prime is 94730033. The reversal of 94730021 is 12003749.

It can be written as a sum of positive squares in 4 ways, for example, as 40780996 + 53949025 = 6386^2 + 7345^2 .

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 94730021 - 2²⁶ = 27621157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94730921) 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, 34325 + ... + 36981.

It is an arithmetic number, because the mean of its divisors is an integer number (11996883).

Almost surely, 2^94730021 is an apocalyptic number.

It is an amenable number.

94730021 is a deficient number, since it is larger than the sum of its proper divisors (1245043).

94730021 is a wasteful number, since it uses less digits than its factorization.

94730021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 94730021 is about 9732.9348605649. The cubic root of 94730021 is about 455.8576120659.

The spelling of 94730021 in words is "ninety-four million, seven hundred thirty thousand, twenty-one".