40734569 has 4 divisors (see below), whose sum is σ = 40806480. Its totient is φ = 40662660.

The previous prime is 40734563. The next prime is 40734583. The reversal of 40734569 is 96543704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40734569 - 2⁴ = 40734553 is a prime.

It is a super-2 number, since 2×40734569² = 3318610223231522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40734563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35099 + ... + 36240.

It is an arithmetic number, because the mean of its divisors is an integer number (10201620).

Almost surely, 2^40734569 is an apocalyptic number.

It is an amenable number.

40734569 is a deficient number, since it is larger than the sum of its proper divisors (71911).

40734569 is an equidigital number, since it uses as much as digits as its factorization.

40734569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71910.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 40734569 is about 6382.3639037585. The cubic root of 40734569 is about 344.0759955816.

The spelling of 40734569 in words is "forty million, seven hundred thirty-four thousand, five hundred sixty-nine".