90627173473 has 4 divisors (see below), whose sum is σ = 91903612608. Its totient is φ = 89350734340.

The previous prime is 90627173467. The next prime is 90627173501. The reversal of 90627173473 is 37437172609.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90627173473 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90627173423) 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, 638219461 + ... + 638219602.

It is an arithmetic number, because the mean of its divisors is an integer number (22975903152).

Almost surely, 2^90627173473 is an apocalyptic number.

It is an amenable number.

90627173473 is a deficient number, since it is larger than the sum of its proper divisors (1276439135).

90627173473 is a wasteful number, since it uses less digits than its factorization.

90627173473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276439134.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 90627173473 in words is "ninety billion, six hundred twenty-seven million, one hundred seventy-three thousand, four hundred seventy-three".