40734515 has 16 divisors (see below), whose sum is σ = 49656576. Its totient is φ = 32076000.

The previous prime is 40734503. The next prime is 40734517. The reversal of 40734515 is 51543704.

It is not a de Polignac number, because 40734515 - 2⁶ = 40734451 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40734517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122900 + ... + 123230.

It is an arithmetic number, because the mean of its divisors is an integer number (3103536).

Almost surely, 2^40734515 is an apocalyptic number.

40734515 is a deficient number, since it is larger than the sum of its proper divisors (8922061).

40734515 is a wasteful number, since it uses less digits than its factorization.

40734515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 40734515 is about 6382.3596733497. The cubic root of 40734515 is about 344.0758435394.

The spelling of 40734515 in words is "forty million, seven hundred thirty-four thousand, five hundred fifteen".