40712733 has 8 divisors (see below), whose sum is σ = 60315200. Its totient is φ = 27141804.

The previous prime is 40712731. The next prime is 40712741. The reversal of 40712733 is 33721704.

It is not a de Polignac number, because 40712733 - 2¹ = 40712731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1507879 = 40712733 / (4 + 0 + 7 + 1 + 2 + 7 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40712697 and 40712706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40712731) 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, 753913 + ... + 753966.

It is an arithmetic number, because the mean of its divisors is an integer number (7539400).

Almost surely, 2^40712733 is an apocalyptic number.

It is an amenable number.

40712733 is a deficient number, since it is larger than the sum of its proper divisors (19602467).

40712733 is a wasteful number, since it uses less digits than its factorization.

40712733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507888 (or 1507882 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 40712733 is about 6380.6530230063. The cubic root of 40712733 is about 344.0145032870.

The spelling of 40712733 in words is "forty million, seven hundred twelve thousand, seven hundred thirty-three".