73454665212 has 48 divisors (see below), whose sum is σ = 190455175680. Its totient is φ = 24482682864.

The previous prime is 73454665211. The next prime is 73454665223. The reversal of 73454665212 is 21256645437.

73454665212 is a `hidden beast` number, since 7 + 34 + 546 + 65 + 2 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73454665211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549453 + ... + 1596155.

It is an arithmetic number, because the mean of its divisors is an integer number (3967816160).

Almost surely, 2^73454665212 is an apocalyptic number.

It is an amenable number.

73454665212 is an abundant number, since it is smaller than the sum of its proper divisors (117000510468).

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

73454665212 is a wasteful number, since it uses less digits than its factorization.

73454665212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61279 (or 61271 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 73454665212 in words is "seventy-three billion, four hundred fifty-four million, six hundred sixty-five thousand, two hundred twelve".