47703157 has 2 divisors, whose sum is σ = 47703158. Its totient is φ = 47703156.

The previous prime is 47703121. The next prime is 47703163. The reversal of 47703157 is 75130774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40780996 + 6922161 = 6386^2 + 2631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47703157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47703197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23851578 + 23851579.

It is an arithmetic number, because the mean of its divisors is an integer number (23851579).

Almost surely, 2^47703157 is an apocalyptic number.

It is an amenable number.

47703157 is a deficient number, since it is larger than the sum of its proper divisors (1).

47703157 is an equidigital number, since it uses as much as digits as its factorization.

47703157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 47703157 is about 6906.7472083463. The cubic root of 47703157 is about 362.6734028892.

The spelling of 47703157 in words is "forty-seven million, seven hundred three thousand, one hundred fifty-seven".