90705026 has 4 divisors (see below), whose sum is σ = 136057542. Its totient is φ = 45352512.

The previous prime is 90704981. The next prime is 90705037. The reversal of 90705026 is 62050709.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76650025 + 14055001 = 8755^2 + 3749^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90705026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22676255 + ... + 22676258.

Almost surely, 2^90705026 is an apocalyptic number.

90705026 is a deficient number, since it is larger than the sum of its proper divisors (45352516).

90705026 is a wasteful number, since it uses less digits than its factorization.

90705026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45352515.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 90705026 is about 9523.9186262798. The cubic root of 90705026 is about 449.3076200088.

The spelling of 90705026 in words is "ninety million, seven hundred five thousand, twenty-six".