40070756 has 24 divisors (see below), whose sum is σ = 77946624. Its totient is φ = 17869280.

The previous prime is 40070731. The next prime is 40070773. The reversal of 40070756 is 65707004.

40070756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6260 + ... + 10923.

It is an arithmetic number, because the mean of its divisors is an integer number (3247776).

Almost surely, 2^40070756 is an apocalyptic number.

It is an amenable number.

40070756 is a deficient number, since it is larger than the sum of its proper divisors (37875868).

40070756 is a wasteful number, since it uses less digits than its factorization.

40070756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17251 (or 17249 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 40070756 is about 6330.1466017779. The cubic root of 40070756 is about 342.1967223149.

It can be divided in two parts, 400 and 70756, that multiplied together give a square (28302400 = 5320²).

The spelling of 40070756 in words is "forty million, seventy thousand, seven hundred fifty-six".