40347374 has 8 divisors (see below), whose sum is σ = 63706440. Its totient is φ = 19111896.

The previous prime is 40347371. The next prime is 40347389. The reversal of 40347374 is 47374304.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40347374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40347371) 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, 530849 + ... + 530924.

It is an arithmetic number, because the mean of its divisors is an integer number (7963305).

Almost surely, 2^40347374 is an apocalyptic number.

40347374 is a deficient number, since it is larger than the sum of its proper divisors (23359066).

40347374 is a wasteful number, since it uses less digits than its factorization.

40347374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061794.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 40347374 is about 6351.9582807194. The cubic root of 40347374 is about 342.9823392154.

The spelling of 40347374 in words is "forty million, three hundred forty-seven thousand, three hundred seventy-four".