73078076140 has 48 divisors (see below), whose sum is σ = 161446672800. Its totient is φ = 27744883712.

The previous prime is 73078076129. The next prime is 73078076147. The reversal of 73078076140 is 4167087037.

It is not an unprimeable number, because it can be changed into a prime (73078076147) 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, 1033549 + ... + 1101988.

It is an arithmetic number, because the mean of its divisors is an integer number (3363472350).

Almost surely, 2^73078076140 is an apocalyptic number.

It is an amenable number.

73078076140 is an abundant number, since it is smaller than the sum of its proper divisors (88368596660).

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

73078076140 is a wasteful number, since it uses less digits than its factorization.

73078076140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135634 (or 2135632 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 73078076140 in words is "seventy-three billion, seventy-eight million, seventy-six thousand, one hundred forty".