73671316 has 6 divisors (see below), whose sum is σ = 128924810. Its totient is φ = 36835656.

The previous prime is 73671307. The next prime is 73671317. The reversal of 73671316 is 61317637.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58461316 + 15210000 = 7646^2 + 3900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73671317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9208911 + ... + 9208918.

Almost surely, 2^73671316 is an apocalyptic number.

It is an amenable number.

73671316 is a deficient number, since it is larger than the sum of its proper divisors (55253494).

73671316 is a wasteful number, since it uses less digits than its factorization.

73671316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18417833 (or 18417831 counting only the distinct ones).

The product of its digits is 15876, while the sum is 34.

The square root of 73671316 is about 8583.1996364992. The cubic root of 73671316 is about 419.2111345085.

The spelling of 73671316 in words is "seventy-three million, six hundred seventy-one thousand, three hundred sixteen".