40719963 has 4 divisors (see below), whose sum is σ = 54293288. Its totient is φ = 27146640.

The previous prime is 40719961. The next prime is 40719967. The reversal of 40719963 is 36991704.

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

It is not a de Polignac number, because 40719963 - 2¹ = 40719961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40719961) 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, 6786658 + ... + 6786663.

It is an arithmetic number, because the mean of its divisors is an integer number (13573322).

Almost surely, 2^40719963 is an apocalyptic number.

40719963 is a deficient number, since it is larger than the sum of its proper divisors (13573325).

40719963 is a wasteful number, since it uses less digits than its factorization.

40719963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13573324.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 40719963 is about 6381.2195542858. The cubic root of 40719963 is about 344.0348661028.

The spelling of 40719963 in words is "forty million, seven hundred nineteen thousand, nine hundred sixty-three".