40307474 has 8 divisors (see below), whose sum is σ = 63643440. Its totient is φ = 19092996.

The previous prime is 40307447. The next prime is 40307479. The reversal of 40307474 is 47470304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40307479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530324 + ... + 530399.

It is an arithmetic number, because the mean of its divisors is an integer number (7955430).

Almost surely, 2^40307474 is an apocalyptic number.

40307474 is a deficient number, since it is larger than the sum of its proper divisors (23335966).

40307474 is a wasteful number, since it uses less digits than its factorization.

40307474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060744.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 40307474 is about 6348.8167401493. The cubic root of 40307474 is about 342.8692421491.

Adding to 40307474 its reverse (47470304), we get a palindrome (87777778).

The spelling of 40307474 in words is "forty million, three hundred seven thousand, four hundred seventy-four".