90429706 has 8 divisors (see below), whose sum is σ = 135826020. Its totient is φ = 45154368.

The previous prime is 90429679. The next prime is 90429733. The reversal of 90429706 is 60792409.

It is an interprime number because it is at equal distance from previous prime (90429679) and next prime (90429733).

It can be written as a sum of positive squares in 2 ways, for example, as 90345025 + 84681 = 9505^2 + 291^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28351 + ... + 31378.

Almost surely, 2^90429706 is an apocalyptic number.

90429706 is a deficient number, since it is larger than the sum of its proper divisors (45396314).

90429706 is a wasteful number, since it uses less digits than its factorization.

90429706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60488.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 90429706 is about 9509.4535069056. The cubic root of 90429706 is about 448.8525597943.

The spelling of 90429706 in words is "ninety million, four hundred twenty-nine thousand, seven hundred six".