90680007 has 32 divisors (see below), whose sum is σ = 141396480. Its totient is φ = 51131520.

The previous prime is 90680003. The next prime is 90680017. The reversal of 90680007 is 70008609.

It is a happy number.

It is not a de Polignac number, because 90680007 - 2² = 90680003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90680003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26469 + ... + 29697.

It is an arithmetic number, because the mean of its divisors is an integer number (4418640).

Almost surely, 2^90680007 is an apocalyptic number.

90680007 is a deficient number, since it is larger than the sum of its proper divisors (50716473).

90680007 is a wasteful number, since it uses less digits than its factorization.

90680007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 90680007 is about 9522.6050532404. The cubic root of 90680007 is about 449.2663056460.

The spelling of 90680007 in words is "ninety million, six hundred eighty thousand, seven".