40727994 has 16 divisors (see below), whose sum is σ = 81576768. Its totient is φ = 13555872.

The previous prime is 40727993. The next prime is 40728019. The reversal of 40727994 is 49972704.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40727993) 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, 307 + ... + 9030.

It is an arithmetic number, because the mean of its divisors is an integer number (5098548).

Almost surely, 2^40727994 is an apocalyptic number.

40727994 is an abundant number, since it is smaller than the sum of its proper divisors (40848774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40727994 is a wasteful number, since it uses less digits than its factorization.

40727994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10069.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 40727994 is about 6381.8487916904. The cubic root of 40727994 is about 344.0574820564.

The spelling of 40727994 in words is "forty million, seven hundred twenty-seven thousand, nine hundred ninety-four".