40731716 has 6 divisors (see below), whose sum is σ = 71280510. Its totient is φ = 20365856.

The previous prime is 40731703. The next prime is 40731727. The reversal of 40731716 is 61713704.

It can be written as a sum of positive squares in only one way, i.e., 37773316 + 2958400 = 6146^2 + 1720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5091461 + ... + 5091468.

It is an arithmetic number, because the mean of its divisors is an integer number (11880085).

Almost surely, 2^40731716 is an apocalyptic number.

It is an amenable number.

40731716 is a deficient number, since it is larger than the sum of its proper divisors (30548794).

40731716 is a wasteful number, since it uses less digits than its factorization.

40731716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182933 (or 10182931 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 40731716 is about 6382.1403933163. The cubic root of 40731716 is about 344.0679625050.

It can be divided in two parts, 407 and 31716, that added together give a palindrome (32123).

The spelling of 40731716 in words is "forty million, seven hundred thirty-one thousand, seven hundred sixteen".