90961070 has 8 divisors (see below), whose sum is σ = 163729944. Its totient is φ = 36384424.

The previous prime is 90961069. The next prime is 90961147. The reversal of 90961070 is 7016909.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4548044 + ... + 4548063.

It is an arithmetic number, because the mean of its divisors is an integer number (20466243).

Almost surely, 2^90961070 is an apocalyptic number.

90961070 is a deficient number, since it is larger than the sum of its proper divisors (72768874).

90961070 is a wasteful number, since it uses less digits than its factorization.

90961070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096114.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 90961070 is about 9537.3513094569. The cubic root of 90961070 is about 449.7299944043.

Adding to 90961070 its reverse (7016909), we get a palindrome (97977979).

The spelling of 90961070 in words is "ninety million, nine hundred sixty-one thousand, seventy".