90673001 has 2 divisors, whose sum is σ = 90673002. Its totient is φ = 90673000.

The previous prime is 90672991. The next prime is 90673003. The reversal of 90673001 is 10037609.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83247376 + 7425625 = 9124^2 + 2725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90673001 is a prime.

It is a super-2 number, since 2×90673001² = 16443186220692002, which contains 22 as substring.

Together with 90673003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90673003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45336500 + 45336501.

It is an arithmetic number, because the mean of its divisors is an integer number (45336501).

Almost surely, 2^90673001 is an apocalyptic number.

It is an amenable number.

90673001 is a deficient number, since it is larger than the sum of its proper divisors (1).

90673001 is an equidigital number, since it uses as much as digits as its factorization.

90673001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 90673001 is about 9522.2371846116. The cubic root of 90673001 is about 449.2547351396.

The spelling of 90673001 in words is "ninety million, six hundred seventy-three thousand, one".