40073533 has 8 divisors (see below), whose sum is σ = 40580352. Its totient is φ = 39569376.

The previous prime is 40073531. The next prime is 40073587. The reversal of 40073533 is 33537004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40073533 - 2¹ = 40073531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40073498 and 40073507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40073531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64641 + ... + 65257.

It is an arithmetic number, because the mean of its divisors is an integer number (5072544).

Almost surely, 2^40073533 is an apocalyptic number.

It is an amenable number.

40073533 is a deficient number, since it is larger than the sum of its proper divisors (506819).

40073533 is a wasteful number, since it uses less digits than its factorization.

40073533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 40073533 is about 6330.3659451883. The cubic root of 40073533 is about 342.2046271516.

The spelling of 40073533 in words is "forty million, seventy-three thousand, five hundred thirty-three".