73412 has 6 divisors (see below), whose sum is σ = 128478. Its totient is φ = 36704.

The previous prime is 73387. The next prime is 73417. The reversal of 73412 is 21437.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42436 + 30976 = 206^2 + 176^2 .

It is not an unprimeable number, because it can be changed into a prime (73417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9173 + ... + 9180.

It is an arithmetic number, because the mean of its divisors is an integer number (21413).

2⁷³⁴¹² is an apocalyptic number.

It is an amenable number.

73412 is a deficient number, since it is larger than the sum of its proper divisors (55066).

73412 is a wasteful number, since it uses less digits than its factorization.

73412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18357 (or 18355 counting only the distinct ones).

The product of its digits is 168, while the sum is 17.

The square root of 73412 is about 270.9464891819. The cubic root of 73412 is about 41.8718695217.

Adding to 73412 its reverse (21437), we get a palindrome (94849).

The spelling of 73412 in words is "seventy-three thousand, four hundred twelve", and thus it is an iban number.