73017227090 has 32 divisors (see below), whose sum is σ = 137530087920. Its totient is φ = 27881328384.

The previous prime is 73017227027. The next prime is 73017227111. The reversal of 73017227090 is 9072271037.

It is a Cunningham number, because it is equal to 270217²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 52637666041 + 20379561049 = 229429^2 + 142757^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842125 + ... + 1881344.

Almost surely, 2^73017227090 is an apocalyptic number.

73017227090 is a deficient number, since it is larger than the sum of its proper divisors (64512860830).

73017227090 is a wasteful number, since it uses less digits than its factorization.

73017227090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723566.

The product of its (nonzero) digits is 37044, while the sum is 38.

The spelling of 73017227090 in words is "seventy-three billion, seventeen million, two hundred twenty-seven thousand, ninety".