40742735 has 16 divisors (see below), whose sum is σ = 54780192. Its totient is φ = 28828800.

The previous prime is 40742717. The next prime is 40742753. The reversal of 40742735 is 53724704.

40742735 = 550² + 551² + ... + 660².

It is an interprime number because it is at equal distance from previous prime (40742717) and next prime (40742753).

It is not a de Polignac number, because 40742735 - 2⁶ = 40742671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7976 + ... + 12045.

It is an arithmetic number, because the mean of its divisors is an integer number (3423762).

Almost surely, 2^40742735 is an apocalyptic number.

40742735 is a deficient number, since it is larger than the sum of its proper divisors (14037457).

40742735 is a wasteful number, since it uses less digits than its factorization.

40742735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 40742735 is about 6383.0036033203. The cubic root of 40742735 is about 344.0989861840.

The spelling of 40742735 in words is "forty million, seven hundred forty-two thousand, seven hundred thirty-five".