73391213 has 8 divisors (see below), whose sum is σ = 83957760. Its totient is φ = 62845200.

The previous prime is 73391203. The next prime is 73391231. The reversal of 73391213 is 31219337.

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 73391213 - 2¹⁶ = 73325677 is a prime.

It is a super-2 number, since 2×73391213² = 10772540291222738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73391203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3503 + ... + 12611.

It is an arithmetic number, because the mean of its divisors is an integer number (10494720).

Almost surely, 2^73391213 is an apocalyptic number.

It is an amenable number.

73391213 is a deficient number, since it is larger than the sum of its proper divisors (10566547).

73391213 is a wasteful number, since it uses less digits than its factorization.

73391213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10267.

The product of its digits is 3402, while the sum is 29.

The square root of 73391213 is about 8566.8671636719. The cubic root of 73391213 is about 418.6791706742.

The spelling of 73391213 in words is "seventy-three million, three hundred ninety-one thousand, two hundred thirteen".