40769743 has 16 divisors (see below), whose sum is σ = 48660480. Its totient is φ = 33422400.

The previous prime is 40769713. The next prime is 40769747. The reversal of 40769743 is 34796704.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40769743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40769696 and 40769705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40769747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18258 + ... + 20368.

It is an arithmetic number, because the mean of its divisors is an integer number (3041280).

Almost surely, 2^40769743 is an apocalyptic number.

40769743 is a deficient number, since it is larger than the sum of its proper divisors (7890737).

40769743 is a wasteful number, since it uses less digits than its factorization.

40769743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 40769743 is about 6385.1188712506. The cubic root of 40769743 is about 344.1750027848.

The spelling of 40769743 in words is "forty million, seven hundred sixty-nine thousand, seven hundred forty-three".