40732751 has 4 divisors (see below), whose sum is σ = 42876600. Its totient is φ = 38588904.

The previous prime is 40732709. The next prime is 40732763. The reversal of 40732751 is 15723704.

40732751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40732751 - 2¹⁰ = 40731727 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 (40732451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071896 + ... + 1071933.

It is an arithmetic number, because the mean of its divisors is an integer number (10719150).

Almost surely, 2^40732751 is an apocalyptic number.

40732751 is a deficient number, since it is larger than the sum of its proper divisors (2143849).

40732751 is a wasteful number, since it uses less digits than its factorization.

40732751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143848.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 40732751 is about 6382.2214784509. The cubic root of 40732751 is about 344.0708767560.

The spelling of 40732751 in words is "forty million, seven hundred thirty-two thousand, seven hundred fifty-one".