40749607 has 2 divisors, whose sum is σ = 40749608. Its totient is φ = 40749606.

The previous prime is 40749587. The next prime is 40749619. The reversal of 40749607 is 70694704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40749607 - 2¹⁵ = 40716839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40749637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20374803 + 20374804.

It is an arithmetic number, because the mean of its divisors is an integer number (20374804).

Almost surely, 2^40749607 is an apocalyptic number.

40749607 is a deficient number, since it is larger than the sum of its proper divisors (1).

40749607 is an equidigital number, since it uses as much as digits as its factorization.

40749607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 40749607 is about 6383.5418851920. The cubic root of 40749607 is about 344.1183312714.

The spelling of 40749607 in words is "forty million, seven hundred forty-nine thousand, six hundred seven".