40065702 has 32 divisors (see below), whose sum is σ = 87588864. Its totient is φ = 12163200.

The previous prime is 40065689. The next prime is 40065703. The reversal of 40065702 is 20756004.

It is a happy number.

40065702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40065703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3174 + ... + 9497.

It is an arithmetic number, because the mean of its divisors is an integer number (2737152).

Almost surely, 2^40065702 is an apocalyptic number.

40065702 is an abundant number, since it is smaller than the sum of its proper divisors (47523162).

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

40065702 is a wasteful number, since it uses less digits than its factorization.

40065702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40065702 is about 6329.7473883244. The cubic root of 40065702 is about 342.1823349734.

The spelling of 40065702 in words is "forty million, sixty-five thousand, seven hundred two".