40747653 has 6 divisors (see below), whose sum is σ = 58857734. Its totient is φ = 27165096.

The previous prime is 40747631. The next prime is 40747667. The reversal of 40747653 is 35674704.

It can be written as a sum of positive squares in only one way, i.e., 39350529 + 1397124 = 6273^2 + 1182^2 .

It is not a de Polignac number, because 40747653 - 2⁹ = 40747141 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 (40747673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2263750 + ... + 2263767.

Almost surely, 2^40747653 is an apocalyptic number.

It is an amenable number.

40747653 is a deficient number, since it is larger than the sum of its proper divisors (18110081).

40747653 is a wasteful number, since it uses less digits than its factorization.

40747653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527523 (or 4527520 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 40747653 is about 6383.3888335272. The cubic root of 40747653 is about 344.1128308668.

The spelling of 40747653 in words is "forty million, seven hundred forty-seven thousand, six hundred fifty-three".