40703731 has 2 divisors, whose sum is σ = 40703732. Its totient is φ = 40703730.

The previous prime is 40703717. The next prime is 40703743. The reversal of 40703731 is 13730704.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40703731 - 2⁵ = 40703699 is a prime.

It is a super-2 number, since 2×40703731² = 3313587434640722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40703696 and 40703705.

It is not a weakly prime, because it can be changed into another prime (40703771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20351865 + 20351866.

It is an arithmetic number, because the mean of its divisors is an integer number (20351866).

Almost surely, 2^40703731 is an apocalyptic number.

40703731 is a deficient number, since it is larger than the sum of its proper divisors (1).

40703731 is an equidigital number, since it uses as much as digits as its factorization.

40703731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 40703731 is about 6379.9475703175. The cubic root of 40703731 is about 343.9891463810.

The spelling of 40703731 in words is "forty million, seven hundred three thousand, seven hundred thirty-one".