73409356850772 has 48 divisors (see below), whose sum is σ = 173702799309312. Its totient is φ = 24124892705760.

The previous prime is 73409356850771. The next prime is 73409356850801. The reversal of 73409356850772 is 27705865390437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73409356850771) 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, 94378083 + ... + 95152725.

It is an arithmetic number, because the mean of its divisors is an integer number (3618808318944).

Almost surely, 2^{73409356850772} is an apocalyptic number.

It is an amenable number.

73409356850772 is an abundant number, since it is smaller than the sum of its proper divisors (100293442458540).

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

73409356850772 is a wasteful number, since it uses less digits than its factorization.

73409356850772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885948 (or 885946 counting only the distinct ones).

The product of its (nonzero) digits is 266716800, while the sum is 66.

The spelling of 73409356850772 in words is "seventy-three trillion, four hundred nine billion, three hundred fifty-six million, eight hundred fifty thousand, seven hundred seventy-two".