73645016 has 16 divisors (see below), whose sum is σ = 138810240. Its totient is φ = 36628960.

The previous prime is 73644983. The next prime is 73645027. The reversal of 73645016 is 61054637.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22571 + ... + 25626.

It is an arithmetic number, because the mean of its divisors is an integer number (8675640).

Almost surely, 2^73645016 is an apocalyptic number.

It is an amenable number.

73645016 is a deficient number, since it is larger than the sum of its proper divisors (65165224).

73645016 is a wasteful number, since it uses less digits than its factorization.

73645016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48394 (or 48390 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 73645016 is about 8581.6674370428. The cubic root of 73645016 is about 419.1612436976.

The spelling of 73645016 in words is "seventy-three million, six hundred forty-five thousand, sixteen".