40307674 has 16 divisors (see below), whose sum is σ = 67568256. Its totient is φ = 17874400.

The previous prime is 40307653. The next prime is 40307677. The reversal of 40307674 is 47670304.

It is not an unprimeable number, because it can be changed into a prime (40307677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21442 + ... + 23245.

It is an arithmetic number, because the mean of its divisors is an integer number (4223016).

Almost surely, 2^40307674 is an apocalyptic number.

40307674 is a deficient number, since it is larger than the sum of its proper divisors (27260582).

40307674 is a wasteful number, since it uses less digits than its factorization.

40307674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44741.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 40307674 is about 6348.8324910963. The cubic root of 40307674 is about 342.8698092377.

Adding to 40307674 its reverse (47670304), we get a palindrome (87977978).

The spelling of 40307674 in words is "forty million, three hundred seven thousand, six hundred seventy-four".