73900636 has 6 divisors (see below), whose sum is σ = 129326120. Its totient is φ = 36950316.

The previous prime is 73900609. The next prime is 73900657. The reversal of 73900636 is 63600937.

It is a super-2 number, since 2×73900636² = 10922608002408992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9237576 + ... + 9237583.

Almost surely, 2^73900636 is an apocalyptic number.

It is an amenable number.

73900636 is a deficient number, since it is larger than the sum of its proper divisors (55425484).

73900636 is a wasteful number, since it uses less digits than its factorization.

73900636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18475163 (or 18475161 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 73900636 is about 8596.5479118074. The cubic root of 73900636 is about 419.6456497236.

The spelling of 73900636 in words is "seventy-three million, nine hundred thousand, six hundred thirty-six".