1520730466 has 8 divisors (see below), whose sum is σ = 2281415724. Its totient is φ = 760258560.

The previous prime is 1520730457. The next prime is 1520730481. The reversal of 1520730466 is 6640370251.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1296360025 + 224370441 = 36005^2 + 14979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34135 + ... + 64858.

Almost surely, 2^1520730466 is an apocalyptic number.

1520730466 is a deficient number, since it is larger than the sum of its proper divisors (760685258).

1520730466 is an equidigital number, since it uses as much as digits as its factorization.

1520730466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106676.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1520730466 is about 38996.5442827951. The cubic root of 1520730466 is about 1149.9635693563.

The spelling of 1520730466 in words is "one billion, five hundred twenty million, seven hundred thirty thousand, four hundred sixty-six".