93972709 has 4 divisors (see below), whose sum is σ = 93994816. Its totient is φ = 93950604.

The previous prime is 93972707. The next prime is 93972713. The reversal of 93972709 is 90727939.

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 93972709 - 2¹ = 93972707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93972701) 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, 2439 + ... + 13924.

It is an arithmetic number, because the mean of its divisors is an integer number (23498704).

Almost surely, 2^93972709 is an apocalyptic number.

It is an amenable number.

93972709 is a deficient number, since it is larger than the sum of its proper divisors (22107).

93972709 is a wasteful number, since it uses less digits than its factorization.

93972709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22106.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 93972709 is about 9693.9521868018. The cubic root of 93972709 is about 454.6395873881.

The spelling of 93972709 in words is "ninety-three million, nine hundred seventy-two thousand, seven hundred nine".