1520714770 has 16 divisors (see below), whose sum is σ = 2898303768. Its totient is φ = 572504320.

The previous prime is 1520714693. The next prime is 1520714773. The reversal of 1520714770 is 774170251.

It can be written as a sum of positive squares in 4 ways, for example, as 1516557249 + 4157521 = 38943^2 + 2039^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1520714773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4472521 + ... + 4472860.

Almost surely, 2^1520714770 is an apocalyptic number.

1520714770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1520714770 is a deficient number, since it is larger than the sum of its proper divisors (1377588998).

1520714770 is a wasteful number, since it uses less digits than its factorization.

1520714770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8945405.

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 1520714770 is about 38996.3430336743. The cubic root of 1520714770 is about 1149.9596129484.

The spelling of 1520714770 in words is "one billion, five hundred twenty million, seven hundred fourteen thousand, seven hundred seventy".