73642036 has 24 divisors (see below), whose sum is σ = 139020840. Its totient is φ = 33931392.

The previous prime is 73642033. The next prime is 73642087. The reversal of 73642036 is 63024637.

It can be written as a sum of positive squares in 4 ways, for example, as 197136 + 73444900 = 444^2 + 8570^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73641989 and 73642007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73642031) by changing a digit.

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, 57030 + ... + 58306.

It is an arithmetic number, because the mean of its divisors is an integer number (5792535).

Almost surely, 2^73642036 is an apocalyptic number.

It is an amenable number.

73642036 is a deficient number, since it is larger than the sum of its proper divisors (65378804).

73642036 is a wasteful number, since it uses less digits than its factorization.

73642036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 73642036 is about 8581.4938093551. The cubic root of 73642036 is about 419.1555899213.

The spelling of 73642036 in words is "seventy-three million, six hundred forty-two thousand, thirty-six".