40875739 has 4 divisors (see below), whose sum is σ = 40927824. Its totient is φ = 40823656.

The previous prime is 40875733. The next prime is 40875749. The reversal of 40875739 is 93757804.

It is a happy number.

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 40875739 - 2¹⁷ = 40744667 is a prime.

It is a super-2 number, since 2×40875739² = 3341652077592242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40875695 and 40875704.

It is not an unprimeable number, because it can be changed into a prime (40875733) 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, 24847 + ... + 26440.

It is an arithmetic number, because the mean of its divisors is an integer number (10231956).

Almost surely, 2^40875739 is an apocalyptic number.

40875739 is a deficient number, since it is larger than the sum of its proper divisors (52085).

40875739 is an equidigital number, since it uses as much as digits as its factorization.

40875739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52084.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 40875739 is about 6393.4137203844. The cubic root of 40875739 is about 344.4730146687.

It can be divided in two parts, 40875 and 739, that added together give a palindrome (41614).

The spelling of 40875739 in words is "forty million, eight hundred seventy-five thousand, seven hundred thirty-nine".