73690906900 has 36 divisors (see below), whose sum is σ = 172209983932. Its totient is φ = 27208949760.

The previous prime is 73690906873. The next prime is 73690906943. The reversal of 73690906900 is 960909637.

It can be written as a sum of positive squares in 6 ways, for example, as 78535044 + 73612371856 = 8862^2 + 271316^2 .

It is a super-2 number, since 2×73690906900² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28341357 + ... + 28343956.

Almost surely, 2^73690906900 is an apocalyptic number.

It is an amenable number.

73690906900 is an abundant number, since it is smaller than the sum of its proper divisors (98519077032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73690906900 is a wasteful number, since it uses less digits than its factorization.

73690906900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56685340 (or 56685333 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 49.

The spelling of 73690906900 in words is "seventy-three billion, six hundred ninety million, nine hundred six thousand, nine hundred".