73366213 has 4 divisors (see below), whose sum is σ = 75072448. Its totient is φ = 71659980.

The previous prime is 73366211. The next prime is 73366229. The reversal of 73366213 is 31266337.

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 73366213 - 2¹ = 73366211 is a prime.

It is a super-2 number, since 2×73366213² = 10765202419922738, 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 (73366211) 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, 853053 + ... + 853138.

It is an arithmetic number, because the mean of its divisors is an integer number (18768112).

Almost surely, 2^73366213 is an apocalyptic number.

It is an amenable number.

73366213 is a deficient number, since it is larger than the sum of its proper divisors (1706235).

73366213 is a wasteful number, since it uses less digits than its factorization.

73366213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706234.

The product of its digits is 13608, while the sum is 31.

The square root of 73366213 is about 8565.4079295735. The cubic root of 73366213 is about 418.6316256182.

The spelling of 73366213 in words is "seventy-three million, three hundred sixty-six thousand, two hundred thirteen".