73297072878 has 8 divisors (see below), whose sum is σ = 146594145768. Its totient is φ = 24432357624.

The previous prime is 73297072873. The next prime is 73297072879. The reversal of 73297072878 is 87827079237.

It is a sphenic number, since it is the product of 3 distinct primes.

73297072878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73297072873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6108089401 + ... + 6108089412.

It is an arithmetic number, because the mean of its divisors is an integer number (18324268221).

Almost surely, 2^73297072878 is an apocalyptic number.

73297072878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73297072878 is a wasteful number, since it uses less digits than its factorization.

73297072878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216178818.

The product of its (nonzero) digits is 16595712, while the sum is 60.

The spelling of 73297072878 in words is "seventy-three billion, two hundred ninety-seven million, seventy-two thousand, eight hundred seventy-eight".