40375747 has 4 divisors (see below), whose sum is σ = 40666360. Its totient is φ = 40085136.

The previous prime is 40375729. The next prime is 40375807. The reversal of 40375747 is 74757304.

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 40375747 - 2¹¹ = 40373699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40375147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145098 + ... + 145375.

It is an arithmetic number, because the mean of its divisors is an integer number (10166590).

Almost surely, 2^40375747 is an apocalyptic number.

40375747 is a deficient number, since it is larger than the sum of its proper divisors (290613).

40375747 is a wasteful number, since it uses less digits than its factorization.

40375747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290612.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 40375747 is about 6354.1912939413. The cubic root of 40375747 is about 343.0627174964.

The spelling of 40375747 in words is "forty million, three hundred seventy-five thousand, seven hundred forty-seven".