73734007734378 has 12 divisors (see below), whose sum is σ = 159757016757858. Its totient is φ = 24578002578120.

The previous prime is 73734007734377. The next prime is 73734007734379. The reversal of 73734007734378 is 87343770043737.

It is an interprime number because it is at equal distance from previous prime (73734007734377) and next prime (73734007734379).

It can be written as a sum of positive squares in only one way, i.e., 57666360382569 + 16067647351809 = 7593837^2 + 4008447^2 .

It is not an unprimeable number, because it can be changed into a prime (73734007734371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2048166881493 + ... + 2048166881528.

Almost surely, 2^{73734007734378} is an apocalyptic number.

73734007734378 is an abundant number, since it is smaller than the sum of its proper divisors (86023009023480).

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

73734007734378 is a wasteful number, since it uses less digits than its factorization.

73734007734378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096333763029 (or 4096333763026 counting only the distinct ones).

The product of its (nonzero) digits is 174254976, while the sum is 63.

The spelling of 73734007734378 in words is "seventy-three trillion, seven hundred thirty-four billion, seven million, seven hundred thirty-four thousand, three hundred seventy-eight".