73860128842 has 8 divisors (see below), whose sum is σ = 110791442916. Its totient is φ = 36929647872.

The previous prime is 73860128833. The next prime is 73860128897. The reversal of 73860128842 is 24882106837.

It can be written as a sum of positive squares in 2 ways, for example, as 72409966281 + 1450162561 = 269091^2 + 38081^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111658 + ... + 400234.

Almost surely, 2^73860128842 is an apocalyptic number.

73860128842 is a deficient number, since it is larger than the sum of its proper divisors (36931314074).

73860128842 is a wasteful number, since it uses less digits than its factorization.

73860128842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416552.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 73860128842 in words is "seventy-three billion, eight hundred sixty million, one hundred twenty-eight thousand, eight hundred forty-two".