90329071 has 8 divisors (see below), whose sum is σ = 106563584. Its totient is φ = 74927160.

The previous prime is 90329053. The next prime is 90329087. The reversal of 90329071 is 17092309.

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

It is not a de Polignac number, because 90329071 - 2⁵ = 90329039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90323071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207915 + ... + 208348.

It is an arithmetic number, because the mean of its divisors is an integer number (13320448).

Almost surely, 2^90329071 is an apocalyptic number.

90329071 is a deficient number, since it is larger than the sum of its proper divisors (16234513).

90329071 is a wasteful number, since it uses less digits than its factorization.

90329071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416301.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 90329071 is about 9504.1607204424. The cubic root of 90329071 is about 448.6859956357.

The spelling of 90329071 in words is "ninety million, three hundred twenty-nine thousand, seventy-one".