47693731 has 2 divisors, whose sum is σ = 47693732. Its totient is φ = 47693730.

The previous prime is 47693699. The next prime is 47693741. The reversal of 47693731 is 13739674.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47693731 - 2⁵ = 47693699 is a prime.

It is a super-2 number, since 2×47693731² = 4549383953400722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47693741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23846865 + 23846866.

It is an arithmetic number, because the mean of its divisors is an integer number (23846866).

Almost surely, 2^47693731 is an apocalyptic number.

47693731 is a deficient number, since it is larger than the sum of its proper divisors (1).

47693731 is an equidigital number, since it uses as much as digits as its factorization.

47693731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 47693731 is about 6906.0647984217. The cubic root of 47693731 is about 362.6495135920.

The spelling of 47693731 in words is "forty-seven million, six hundred ninety-three thousand, seven hundred thirty-one".