720550083 has 32 divisors (see below), whose sum is σ = 1112838912. Its totient is φ = 409856000.

The previous prime is 720550079. The next prime is 720550109. The reversal of 720550083 is 380055027.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 720550083 - 2² = 720550079 is a prime.

It is a super-2 number, since 2×720550083² = 1038384844222613778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 720550083.

It is not an unprimeable number, because it can be changed into a prime (720550013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223360 + ... + 226562.

It is an arithmetic number, because the mean of its divisors is an integer number (34776216).

Almost surely, 2^720550083 is an apocalyptic number.

720550083 is a deficient number, since it is larger than the sum of its proper divisors (392288829).

720550083 is a wasteful number, since it uses less digits than its factorization.

720550083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 720550083 is about 26843.0639644583. The cubic root of 720550083 is about 896.5091453337.

The spelling of 720550083 in words is "seven hundred twenty million, five hundred fifty thousand, eighty-three".