73145787238 has 8 divisors (see below), whose sum is σ = 110417526432. Its totient is φ = 36339945096.

The previous prime is 73145787233. The next prime is 73145787259. The reversal of 73145787238 is 83278754137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73145787233) 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, 116473870 + ... + 116474497.

It is an arithmetic number, because the mean of its divisors is an integer number (13802190804).

Almost surely, 2^73145787238 is an apocalyptic number.

73145787238 is a deficient number, since it is larger than the sum of its proper divisors (37271739194).

73145787238 is a wasteful number, since it uses less digits than its factorization.

73145787238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232948526.

The product of its digits is 7902720, while the sum is 55.

The spelling of 73145787238 in words is "seventy-three billion, one hundred forty-five million, seven hundred eighty-seven thousand, two hundred thirty-eight".