40650737 has 2 divisors, whose sum is σ = 40650738. Its totient is φ = 40650736.

The previous prime is 40650719. The next prime is 40650751. The reversal of 40650737 is 73705604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33686416 + 6964321 = 5804^2 + 2639^2 .

It is a cyclic number.

It is not a de Polignac number, because 40650737 - 2¹⁶ = 40585201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40650767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20325368 + 20325369.

It is an arithmetic number, because the mean of its divisors is an integer number (20325369).

Almost surely, 2^40650737 is an apocalyptic number.

It is an amenable number.

40650737 is a deficient number, since it is larger than the sum of its proper divisors (1).

40650737 is an equidigital number, since it uses as much as digits as its factorization.

40650737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 40650737 is about 6375.7930487117. The cubic root of 40650737 is about 343.8397966178.

The spelling of 40650737 in words is "forty million, six hundred fifty thousand, seven hundred thirty-seven".