90579070 has 32 divisors (see below), whose sum is σ = 167615712. Its totient is φ = 35223552.

The previous prime is 90579053. The next prime is 90579091. The reversal of 90579070 is 7097509.

90579070 is a nontrivial binomial coefficient, being equal to C(13460, 2).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 134254 + ... + 134926.

It is an arithmetic number, because the mean of its divisors is an integer number (5237991).

Almost surely, 2^90579070 is an apocalyptic number.

90579070 is the 13459-th triangular number and also the 6730-th hexagonal number.

90579070 is the 4487-th centered nonagonal number.

90579070 is a deficient number, since it is larger than the sum of its proper divisors (77036642).

90579070 is a wasteful number, since it uses less digits than its factorization.

90579070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 90579070 is about 9517.3037148134. The cubic root of 90579070 is about 449.0995491924.

The spelling of 90579070 in words is "ninety million, five hundred seventy-nine thousand, seventy".