47742259 has 2 divisors, whose sum is σ = 47742260. Its totient is φ = 47742258.

The previous prime is 47742209. The next prime is 47742281. The reversal of 47742259 is 95224774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47742259 - 2⁷ = 47742131 is a prime.

It is equal to p_2873596 and since 47742259 and 2873596 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47742209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23871129 + 23871130.

It is an arithmetic number, because the mean of its divisors is an integer number (23871130).

Almost surely, 2^47742259 is an apocalyptic number.

47742259 is a deficient number, since it is larger than the sum of its proper divisors (1).

47742259 is an equidigital number, since it uses as much as digits as its factorization.

47742259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 47742259 is about 6909.5773387379. The cubic root of 47742259 is about 362.7724695848.

It can be divided in two parts, 4774225 and 9, that multiplied together give a square (42968025 = 6555²).

The spelling of 47742259 in words is "forty-seven million, seven hundred forty-two thousand, two hundred fifty-nine".