47746739 has 2 divisors, whose sum is σ = 47746740. Its totient is φ = 47746738.

The previous prime is 47746733. The next prime is 47746747. The reversal of 47746739 is 93764774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47746739 - 2⁴ = 47746723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47746693 and 47746702.

It is not a weakly prime, because it can be changed into another prime (47746733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23873369 + 23873370.

It is an arithmetic number, because the mean of its divisors is an integer number (23873370).

Almost surely, 2^47746739 is an apocalyptic number.

47746739 is a deficient number, since it is larger than the sum of its proper divisors (1).

47746739 is an equidigital number, since it uses as much as digits as its factorization.

47746739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 47.

The square root of 47746739 is about 6909.9015188351. The cubic root of 47746739 is about 362.7838164144.

It can be divided in two parts, 477 and 46739, that multiplied together give a triangular number (22294503 = T₆₆₇₇).

The spelling of 47746739 in words is "forty-seven million, seven hundred forty-six thousand, seven hundred thirty-nine".