40704469 has 4 divisors (see below), whose sum is σ = 43835596. Its totient is φ = 37573344.

The previous prime is 40704463. The next prime is 40704473. The reversal of 40704469 is 96440704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2140369 + 38564100 = 1463^2 + 6210^2 .

It is a cyclic number.

It is not a de Polignac number, because 40704469 - 2⁵ = 40704437 is a prime.

It is a super-2 number, since 2×40704469² = 3313707593143922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40704463) 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, 1565544 + ... + 1565569.

It is an arithmetic number, because the mean of its divisors is an integer number (10958899).

Almost surely, 2^40704469 is an apocalyptic number.

It is an amenable number.

40704469 is a deficient number, since it is larger than the sum of its proper divisors (3131127).

40704469 is a wasteful number, since it uses less digits than its factorization.

40704469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131126.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 40704469 is about 6380.0054075212. The cubic root of 40704469 is about 343.9912253260.

The spelling of 40704469 in words is "forty million, seven hundred four thousand, four hundred sixty-nine".