83704007 has 4 divisors (see below), whose sum is σ = 83748000. Its totient is φ = 83660016.

The previous prime is 83704003. The next prime is 83704009. The reversal of 83704007 is 70040738.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83704007 - 2² = 83704003 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 (83704003) 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, 19007 + ... + 22992.

It is an arithmetic number, because the mean of its divisors is an integer number (20937000).

Almost surely, 2^83704007 is an apocalyptic number.

83704007 is a deficient number, since it is larger than the sum of its proper divisors (43993).

83704007 is a wasteful number, since it uses less digits than its factorization.

83704007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43992.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 83704007 is about 9148.9893977422. The cubic root of 83704007 is about 437.4369010496.

The spelling of 83704007 in words is "eighty-three million, seven hundred four thousand, seven".