720003044 has 12 divisors (see below), whose sum is σ = 1260325500. Its totient is φ = 359910048.

The previous prime is 720003029. The next prime is 720003059. The reversal of 720003044 is 440300027.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (720003029) and next prime (720003059).

It can be written as a sum of positive squares in 2 ways, for example, as 210598144 + 509404900 = 14512^2 + 22570^2 .

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, 3299 + ... + 38090.

It is an arithmetic number, because the mean of its divisors is an integer number (105027125).

Almost surely, 2^720003044 is an apocalyptic number.

It is an amenable number.

720003044 is a deficient number, since it is larger than the sum of its proper divisors (540322456).

720003044 is a wasteful number, since it uses less digits than its factorization.

720003044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45742 (or 45740 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 720003044 is about 26832.8724515286. The cubic root of 720003044 is about 896.2822124019.

The spelling of 720003044 in words is "seven hundred twenty million, three thousand, forty-four".