40973357 has 2 divisors, whose sum is σ = 40973358. Its totient is φ = 40973356.

The previous prime is 40973353. The next prime is 40973363. The reversal of 40973357 is 75337904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22146436 + 18826921 = 4706^2 + 4339^2 .

It is a cyclic number.

It is not a de Polignac number, because 40973357 - 2² = 40973353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40973357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40973353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20486678 + 20486679.

It is an arithmetic number, because the mean of its divisors is an integer number (20486679).

Almost surely, 2^40973357 is an apocalyptic number.

It is an amenable number.

40973357 is a deficient number, since it is larger than the sum of its proper divisors (1).

40973357 is an equidigital number, since it uses as much as digits as its factorization.

40973357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 40973357 is about 6401.0434305666. The cubic root of 40973357 is about 344.7470161039.

The spelling of 40973357 in words is "forty million, nine hundred seventy-three thousand, three hundred fifty-seven".