40364743 has 4 divisors (see below), whose sum is σ = 41455720. Its totient is φ = 39273768.

The previous prime is 40364729. The next prime is 40364761. The reversal of 40364743 is 34746304.

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

It is a cyclic number.

It is not a de Polignac number, because 40364743 - 2⁵ = 40364711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40364713) 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, 545433 + ... + 545506.

It is an arithmetic number, because the mean of its divisors is an integer number (10363930).

Almost surely, 2^40364743 is an apocalyptic number.

40364743 is a deficient number, since it is larger than the sum of its proper divisors (1090977).

40364743 is a wasteful number, since it uses less digits than its factorization.

40364743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090976.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 40364743 is about 6353.3253497676. The cubic root of 40364743 is about 343.0315485775.

The spelling of 40364743 in words is "forty million, three hundred sixty-four thousand, seven hundred forty-three".