73706706667038 has 32 divisors (see below), whose sum is σ = 153828830969856. Its totient is φ = 23499751210848.

The previous prime is 73706706667037. The next prime is 73706706667057. The reversal of 73706706667038 is 83076660760737.

73706706667038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 73706706667038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73706706667037) 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, 7183081 + ... + 14107092.

It is an arithmetic number, because the mean of its divisors is an integer number (4807150967808).

Almost surely, 2^{73706706667038} is an apocalyptic number.

73706706667038 is an abundant number, since it is smaller than the sum of its proper divisors (80122124302818).

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

73706706667038 is a wasteful number, since it uses less digits than its factorization.

73706706667038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21315288.

The product of its (nonzero) digits is 224042112, while the sum is 66.

The spelling of 73706706667038 in words is "seventy-three trillion, seven hundred six billion, seven hundred six million, six hundred sixty-seven thousand, thirty-eight".