940727731 has 2 divisors, whose sum is σ = 940727732. Its totient is φ = 940727730.

The previous prime is 940727717. The next prime is 940727747. The reversal of 940727731 is 137727049.

940727731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (137727049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940727731 - 2⁵ = 940727699 is a prime.

It is a super-2 number, since 2×940727731² = 1769937327744816722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (940727831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470363865 + 470363866.

It is an arithmetic number, because the mean of its divisors is an integer number (470363866).

Almost surely, 2^940727731 is an apocalyptic number.

940727731 is a deficient number, since it is larger than the sum of its proper divisors (1).

940727731 is an equidigital number, since it uses as much as digits as its factorization.

940727731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 940727731 is about 30671.2851214291. The cubic root of 940727731 is about 979.8388361243.

The spelling of 940727731 in words is "nine hundred forty million, seven hundred twenty-seven thousand, seven hundred thirty-one".