73850709 has 4 divisors (see below), whose sum is σ = 98467616. Its totient is φ = 49233804.

The previous prime is 73850681. The next prime is 73850719. The reversal of 73850709 is 90705837.

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 not a de Polignac number, because 73850709 - 2⁹ = 73850197 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 (73850719) 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, 12308449 + ... + 12308454.

It is an arithmetic number, because the mean of its divisors is an integer number (24616904).

Almost surely, 2^73850709 is an apocalyptic number.

It is an amenable number.

73850709 is a deficient number, since it is larger than the sum of its proper divisors (24616907).

73850709 is a wasteful number, since it uses less digits than its factorization.

73850709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24616906.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 73850709 is about 8593.6435229767. The cubic root of 73850709 is about 419.5511247436.

The spelling of 73850709 in words is "seventy-three million, eight hundred fifty thousand, seven hundred nine".