90752357 has 2 divisors, whose sum is σ = 90752358. Its totient is φ = 90752356.

The previous prime is 90752353. The next prime is 90752381. The reversal of 90752357 is 75325709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59459521 + 31292836 = 7711^2 + 5594^2 .

It is a cyclic number.

It is not a de Polignac number, because 90752357 - 2² = 90752353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90752357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90752351) by changing a digit.

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 as a sum of consecutive naturals, namely, 45376178 + 45376179.

It is an arithmetic number, because the mean of its divisors is an integer number (45376179).

Almost surely, 2^90752357 is an apocalyptic number.

It is an amenable number.

90752357 is a deficient number, since it is larger than the sum of its proper divisors (1).

90752357 is an equidigital number, since it uses as much as digits as its factorization.

90752357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 90752357 is about 9526.4031512423. The cubic root of 90752357 is about 449.3857578364.

The spelling of 90752357 in words is "ninety million, seven hundred fifty-two thousand, three hundred fifty-seven".