73850920706890 has 8 divisors (see below), whose sum is σ = 132931657272420. Its totient is φ = 29540368282752.

The previous prime is 73850920706867. The next prime is 73850920706897. The reversal of 73850920706890 is 9860702905837.

It can be written as a sum of positive squares in 2 ways, for example, as 63091582606441 + 10759338100449 = 7943021^2 + 3280143^2 .

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

It is not an unprimeable number, because it can be changed into a prime (73850920706897) 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, 3692546035335 + ... + 3692546035354.

Almost surely, 2^{73850920706890} is an apocalyptic number.

73850920706890 is a deficient number, since it is larger than the sum of its proper divisors (59080736565530).

73850920706890 is a wasteful number, since it uses less digits than its factorization.

73850920706890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385092070696.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 73850920706890 in words is "seventy-three trillion, eight hundred fifty billion, nine hundred twenty million, seven hundred six thousand, eight hundred ninety".