73702040200137 has 12 divisors (see below), whose sum is σ = 107400613154484. Its totient is φ = 48699873169920.

The previous prime is 73702040200079. The next prime is 73702040200177. The reversal of 73702040200137 is 73100204020737.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40694498842176 + 33007541357961 = 6379224^2 + 5745219^2 .

It is not a de Polignac number, because 73702040200137 - 2⁴⁶ = 3333296022473 is a prime.

It is a super-2 number, since 2×73702040200137² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73702040200177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36235023664 + ... + 36235025697.

It is an arithmetic number, because the mean of its divisors is an integer number (8950051096207).

Almost surely, 2^{73702040200137} is an apocalyptic number.

It is an amenable number.

73702040200137 is a deficient number, since it is larger than the sum of its proper divisors (33698572954347).

73702040200137 is a wasteful number, since it uses less digits than its factorization.

73702040200137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72470049480 (or 72470049477 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The spelling of 73702040200137 in words is "seventy-three trillion, seven hundred two billion, forty million, two hundred thousand, one hundred thirty-seven".