73964136 has 32 divisors (see below), whose sum is σ = 192951360. Its totient is φ = 23582592.

The previous prime is 73964129. The next prime is 73964167. The reversal of 73964136 is 63146937.

It is a junction number, because it is equal to n+sod(n) for n = 73964094 and 73964103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66445 + ... + 67548.

It is an arithmetic number, because the mean of its divisors is an integer number (6029730).

Almost surely, 2^73964136 is an apocalyptic number.

It is an amenable number.

73964136 is an abundant number, since it is smaller than the sum of its proper divisors (118987224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73964136 is a wasteful number, since it uses less digits than its factorization.

73964136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134025 (or 134021 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 73964136 is about 8600.2404617545. The cubic root of 73964136 is about 419.7658104847.

The spelling of 73964136 in words is "seventy-three million, nine hundred sixty-four thousand, one hundred thirty-six".