90429722726 has 16 divisors (see below), whose sum is σ = 155050352160. Its totient is φ = 38748602880.

The previous prime is 90429722717. The next prime is 90429722741. The reversal of 90429722726 is 62722792409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501965 + ... + 657896.

It is an arithmetic number, because the mean of its divisors is an integer number (9690647010).

Almost surely, 2^90429722726 is an apocalyptic number.

90429722726 is a deficient number, since it is larger than the sum of its proper divisors (64620629434).

90429722726 is a wasteful number, since it uses less digits than its factorization.

90429722726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165439.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 90429722726 in words is "ninety billion, four hundred twenty-nine million, seven hundred twenty-two thousand, seven hundred twenty-six".