73214661 has 8 divisors (see below), whose sum is σ = 105128800. Its totient is φ = 45055152.

The previous prime is 73214651. The next prime is 73214683. The reversal of 73214661 is 16641237.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73214661 - 2⁵ = 73214629 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 (73214641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938611 + ... + 938688.

It is an arithmetic number, because the mean of its divisors is an integer number (13141100).

Almost surely, 2^73214661 is an apocalyptic number.

It is an amenable number.

73214661 is a deficient number, since it is larger than the sum of its proper divisors (31914139).

73214661 is a wasteful number, since it uses less digits than its factorization.

73214661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877315.

The product of its digits is 6048, while the sum is 30.

The square root of 73214661 is about 8556.5566088234. The cubic root of 73214661 is about 418.3431722403.

Adding to 73214661 its reverse (16641237), we get a palindrome (89855898).

The spelling of 73214661 in words is "seventy-three million, two hundred fourteen thousand, six hundred sixty-one".