73049636 has 18 divisors (see below), whose sum is σ = 140515830. Its totient is φ = 33204160.

The previous prime is 73049621. The next prime is 73049651. The reversal of 73049636 is 63694037.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73049621) and next prime (73049651).

It can be written as a sum of positive squares in only one way, i.e., 71740900 + 1308736 = 8470^2 + 1144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73049636.

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 5 ways as a sum of consecutive naturals, for example, 74981 + ... + 75948.

It is an arithmetic number, because the mean of its divisors is an integer number (7806435).

Almost surely, 2^73049636 is an apocalyptic number.

It is an amenable number.

73049636 is a deficient number, since it is larger than the sum of its proper divisors (67466194).

73049636 is a wasteful number, since it uses less digits than its factorization.

73049636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150955 (or 150942 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 73049636 is about 8546.9079789126. The cubic root of 73049636 is about 418.0286222321.

The spelling of 73049636 in words is "seventy-three million, forty-nine thousand, six hundred thirty-six".