40727499 has 4 divisors (see below), whose sum is σ = 54303336. Its totient is φ = 27151664.

The previous prime is 40727483. The next prime is 40727501. The reversal of 40727499 is 99472704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40727499 - 2⁴ = 40727483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40727499.

It is not an unprimeable number, because it can be changed into a prime (40727429) 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, 6787914 + ... + 6787919.

It is an arithmetic number, because the mean of its divisors is an integer number (13575834).

Almost surely, 2^40727499 is an apocalyptic number.

40727499 is a deficient number, since it is larger than the sum of its proper divisors (13575837).

40727499 is a wasteful number, since it uses less digits than its factorization.

40727499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575836.

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

The square root of 40727499 is about 6381.8100097073. The cubic root of 40727499 is about 344.0560881819.

The spelling of 40727499 in words is "forty million, seven hundred twenty-seven thousand, four hundred ninety-nine".