35728997 has 2 divisors, whose sum is σ = 35728998. Its totient is φ = 35728996.

The previous prime is 35728993. The next prime is 35729009. The reversal of 35728997 is 79982753.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26481316 + 9247681 = 5146^2 + 3041^2 .

It is a cyclic number.

It is not a de Polignac number, because 35728997 - 2² = 35728993 is a prime.

It is a super-2 number, since 2×35728997² = 2553122453252018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35728991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17864498 + 17864499.

It is an arithmetic number, because the mean of its divisors is an integer number (17864499).

Almost surely, 2^35728997 is an apocalyptic number.

It is an amenable number.

35728997 is a deficient number, since it is larger than the sum of its proper divisors (1).

35728997 is an equidigital number, since it uses as much as digits as its factorization.

35728997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 50.

The square root of 35728997 is about 5977.3737544176. The cubic root of 35728997 is about 329.3620887608.

The spelling of 35728997 in words is "thirty-five million, seven hundred twenty-eight thousand, nine hundred ninety-seven".