73773734701 has 4 divisors (see below), whose sum is σ = 78113366172. Its totient is φ = 69434103232.

The previous prime is 73773734647. The next prime is 73773734719. The reversal of 73773734701 is 10743737737.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33091248100 + 40682486601 = 181910^2 + 201699^2 .

It is a cyclic number.

It is not a de Polignac number, because 73773734701 - 2³⁵ = 39413996333 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73773734101) 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, 2169815710 + ... + 2169815743.

It is an arithmetic number, because the mean of its divisors is an integer number (19528341543).

Almost surely, 2^73773734701 is an apocalyptic number.

It is an amenable number.

73773734701 is a deficient number, since it is larger than the sum of its proper divisors (4339631471).

73773734701 is a wasteful number, since it uses less digits than its factorization.

73773734701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339631470.

The product of its (nonzero) digits is 1815156, while the sum is 49.

The spelling of 73773734701 in words is "seventy-three billion, seven hundred seventy-three million, seven hundred thirty-four thousand, seven hundred one".