487340731 has 4 divisors (see below), whose sum is σ = 487394352. Its totient is φ = 487287112.

The previous prime is 487340729. The next prime is 487340741. The reversal of 487340731 is 137043784.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 487340731 - 2¹ = 487340729 is a prime.

It is a super-2 number, since 2×487340731² = 475001976183228722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487340741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9415 + ... + 32608.

It is an arithmetic number, because the mean of its divisors is an integer number (121848588).

Almost surely, 2^487340731 is an apocalyptic number.

487340731 is a deficient number, since it is larger than the sum of its proper divisors (53621).

487340731 is a wasteful number, since it uses less digits than its factorization.

487340731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53620.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 487340731 is about 22075.7951385675. The cubic root of 487340731 is about 786.9447398833.

The spelling of 487340731 in words is "four hundred eighty-seven million, three hundred forty thousand, seven hundred thirty-one".