40712378 has 8 divisors (see below), whose sum is σ = 69792672. Its totient is φ = 17448156.

The previous prime is 40712363. The next prime is 40712381. The reversal of 40712378 is 87321704.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454000 + ... + 1454027.

It is an arithmetic number, because the mean of its divisors is an integer number (8724084).

Almost surely, 2^40712378 is an apocalyptic number.

40712378 is a deficient number, since it is larger than the sum of its proper divisors (29080294).

40712378 is a wasteful number, since it uses less digits than its factorization.

40712378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908036.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 40712378 is about 6380.6252044764. The cubic root of 40712378 is about 344.0135033910.

The spelling of 40712378 in words is "forty million, seven hundred twelve thousand, three hundred seventy-eight".