40743499 has 2 divisors, whose sum is σ = 40743500. Its totient is φ = 40743498.

The previous prime is 40743487. The next prime is 40743529. The reversal of 40743499 is 99434704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40743499 - 2⁷ = 40743371 is a prime.

It is not a weakly prime, because it can be changed into another prime (40743449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20371749 + 20371750.

It is an arithmetic number, because the mean of its divisors is an integer number (20371750).

Almost surely, 2^40743499 is an apocalyptic number.

40743499 is a deficient number, since it is larger than the sum of its proper divisors (1).

40743499 is an equidigital number, since it uses as much as digits as its factorization.

40743499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 40743499 is about 6383.0634494731. The cubic root of 40743499 is about 344.1011369968.

The spelling of 40743499 in words is "forty million, seven hundred forty-three thousand, four hundred ninety-nine".