616072361 has 4 divisors (see below), whose sum is σ = 617788800. Its totient is φ = 614355924.

The previous prime is 616072351. The next prime is 616072403. The reversal of 616072361 is 163270616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 616072361 - 2⁶ = 616072297 is a prime.

It is a super-2 number, since 2×616072361² = 759090307976228642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (616072351) 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, 857681 + ... + 858398.

It is an arithmetic number, because the mean of its divisors is an integer number (154447200).

Almost surely, 2^616072361 is an apocalyptic number.

It is an amenable number.

616072361 is a deficient number, since it is larger than the sum of its proper divisors (1716439).

616072361 is a wasteful number, since it uses less digits than its factorization.

616072361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716438.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 616072361 is about 24820.8050030614. The cubic root of 616072361 is about 850.8974884839.

The spelling of 616072361 in words is "six hundred sixteen million, seventy-two thousand, three hundred sixty-one".