73900136 has 8 divisors (see below), whose sum is σ = 138562770. Its totient is φ = 36950064.

The previous prime is 73900117. The next prime is 73900153. The reversal of 73900136 is 63100937.

It can be written as a sum of positive squares in only one way, i.e., 46922500 + 26977636 = 6850^2 + 5194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×73900136³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 73900099 and 73900108.

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 as a sum of consecutive naturals, namely, 4618751 + ... + 4618766.

Almost surely, 2^73900136 is an apocalyptic number.

It is an amenable number.

73900136 is a deficient number, since it is larger than the sum of its proper divisors (64662634).

73900136 is a wasteful number, since it uses less digits than its factorization.

73900136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9237523 (or 9237519 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 73900136 is about 8596.5188303173. The cubic root of 73900136 is about 419.6447033027.

The spelling of 73900136 in words is "seventy-three million, nine hundred thousand, one hundred thirty-six".