40717994 has 8 divisors (see below), whose sum is σ = 61648128. Its totient is φ = 20168620.

The previous prime is 40717991. The next prime is 40718017. The reversal of 40717994 is 49971704.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (40717991) 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, 94922 + ... + 95349.

It is an arithmetic number, because the mean of its divisors is an integer number (7706016).

Almost surely, 2^40717994 is an apocalyptic number.

40717994 is a deficient number, since it is larger than the sum of its proper divisors (20930134).

40717994 is a wasteful number, since it uses less digits than its factorization.

40717994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190380.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 40717994 is about 6381.0652715671. The cubic root of 40717994 is about 344.0293207836.

The spelling of 40717994 in words is "forty million, seven hundred seventeen thousand, nine hundred ninety-four".