73612736 has 14 divisors (see below), whose sum is σ = 146075400. Its totient is φ = 36806336.

The previous prime is 73612733. The next prime is 73612741. The reversal of 73612736 is 63721637.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 73612696 and 73612705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73612733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575036 + ... + 575163.

Almost surely, 2^73612736 is an apocalyptic number.

It is an amenable number.

73612736 is a deficient number, since it is larger than the sum of its proper divisors (72462664).

73612736 is a wasteful number, since it uses less digits than its factorization.

73612736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150211 (or 1150201 counting only the distinct ones).

The product of its digits is 31752, while the sum is 35.

The square root of 73612736 is about 8579.7864775296. The cubic root of 73612736 is about 419.0999926537.

The spelling of 73612736 in words is "seventy-three million, six hundred twelve thousand, seven hundred thirty-six".