3552598721 has 8 divisors (see below), whose sum is σ = 4063272960. Its totient is φ = 3042714528.

The previous prime is 3552598691. The next prime is 3552598733. The reversal of 3552598721 is 1278952553.

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

It is not a de Polignac number, because 3552598721 - 2²⁶ = 3485489857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3552598421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187841 + ... + 205886.

It is an arithmetic number, because the mean of its divisors is an integer number (507909120).

Almost surely, 2^3552598721 is an apocalyptic number.

It is an amenable number.

3552598721 is a deficient number, since it is larger than the sum of its proper divisors (510674239).

3552598721 is a wasteful number, since it uses less digits than its factorization.

3552598721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395023.

The product of its digits is 756000, while the sum is 47.

The square root of 3552598721 is about 59603.6804316646. The cubic root of 3552598721 is about 1525.8624480727.

The spelling of 3552598721 in words is "three billion, five hundred fifty-two million, five hundred ninety-eight thousand, seven hundred twenty-one".