47493739 has 2 divisors, whose sum is σ = 47493740. Its totient is φ = 47493738.

The previous prime is 47493737. The next prime is 47493811. The reversal of 47493739 is 93739474.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47493739 - 2¹ = 47493737 is a prime.

Together with 47493737, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47493737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23746869 + 23746870.

It is an arithmetic number, because the mean of its divisors is an integer number (23746870).

Almost surely, 2^47493739 is an apocalyptic number.

47493739 is a deficient number, since it is larger than the sum of its proper divisors (1).

47493739 is an equidigital number, since it uses as much as digits as its factorization.

47493739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 46.

The square root of 47493739 is about 6891.5701403962. The cubic root of 47493739 is about 362.1419094019.

The spelling of 47493739 in words is "forty-seven million, four hundred ninety-three thousand, seven hundred thirty-nine".