40756745 has 8 divisors (see below), whose sum is σ = 50594760. Its totient is φ = 31480960.

The previous prime is 40756741. The next prime is 40756757. The reversal of 40756745 is 54765704.

40756745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4528384 + 36228361 = 2128^2 + 6019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40756745 - 2² = 40756741 is a prime.

It is a super-2 number, since 2×40756745² = 3322224525990050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40756699 and 40756708.

It is not an unprimeable number, because it can be changed into a prime (40756741) 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 7 ways as a sum of consecutive naturals, for example, 140396 + ... + 140685.

It is an arithmetic number, because the mean of its divisors is an integer number (6324345).

Almost surely, 2^40756745 is an apocalyptic number.

It is an amenable number.

40756745 is a deficient number, since it is larger than the sum of its proper divisors (9838015).

40756745 is a wasteful number, since it uses less digits than its factorization.

40756745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281115.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 40756745 is about 6384.1009547156. The cubic root of 40756745 is about 344.1384228618.

The spelling of 40756745 in words is "forty million, seven hundred fifty-six thousand, seven hundred forty-five".