487634737 has 2 divisors, whose sum is σ = 487634738. Its totient is φ = 487634736.

The previous prime is 487634731. The next prime is 487634747. The reversal of 487634737 is 737436784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478778161 + 8856576 = 21881^2 + 2976^2 .

It is a cyclic number.

It is not a de Polignac number, because 487634737 - 2²³ = 479246129 is a prime.

It is not a weakly prime, because it can be changed into another prime (487634731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243817368 + 243817369.

It is an arithmetic number, because the mean of its divisors is an integer number (243817369).

Almost surely, 2^487634737 is an apocalyptic number.

It is an amenable number.

487634737 is a deficient number, since it is larger than the sum of its proper divisors (1).

487634737 is an equidigital number, since it uses as much as digits as its factorization.

487634737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 49.

The square root of 487634737 is about 22082.4531472389. The cubic root of 487634737 is about 787.1029590712.

The spelling of 487634737 in words is "four hundred eighty-seven million, six hundred thirty-four thousand, seven hundred thirty-seven".