1770730072 has 16 divisors (see below), whose sum is σ = 3464472240. Its totient is φ = 846870816.

The previous prime is 1770730063. The next prime is 1770730079. The reversal of 1770730072 is 2700370771.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1770730079) 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, 4811583 + ... + 4811950.

It is an arithmetic number, because the mean of its divisors is an integer number (216529515).

Almost surely, 2^1770730072 is an apocalyptic number.

It is an amenable number.

1770730072 is a deficient number, since it is larger than the sum of its proper divisors (1693742168).

1770730072 is a wasteful number, since it uses less digits than its factorization.

1770730072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623562 (or 9623558 counting only the distinct ones).

The product of its (nonzero) digits is 14406, while the sum is 34.

The square root of 1770730072 is about 42080.0436311561. The cubic root of 1770730072 is about 1209.8107920803.

The spelling of 1770730072 in words is "one billion, seven hundred seventy million, seven hundred thirty thousand, seventy-two".