73212873650 has 48 divisors (see below), whose sum is σ = 160996213440. Its totient is φ = 24235982400.

The previous prime is 73212873589. The next prime is 73212873661. The reversal of 73212873650 is 5637821237.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3596396 + ... + 3616695.

It is an arithmetic number, because the mean of its divisors is an integer number (3354087780).

Almost surely, 2^73212873650 is an apocalyptic number.

73212873650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73212873650 is an abundant number, since it is smaller than the sum of its proper divisors (87783339790).

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

73212873650 is a wasteful number, since it uses less digits than its factorization.

73212873650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213139 (or 7213134 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 73212873650 in words is "seventy-three billion, two hundred twelve million, eight hundred seventy-three thousand, six hundred fifty".