721616095 has 8 divisors (see below), whose sum is σ = 866085264. Its totient is φ = 577195584.

The previous prime is 721616083. The next prime is 721616101. The reversal of 721616095 is 590616127.

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

It is a cyclic number.

It is not a de Polignac number, because 721616095 - 2¹³ = 721607903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44307 + ... + 58363.

It is an arithmetic number, because the mean of its divisors is an integer number (108260658).

Almost surely, 2^721616095 is an apocalyptic number.

721616095 is a deficient number, since it is larger than the sum of its proper divisors (144469169).

721616095 is a wasteful number, since it uses less digits than its factorization.

721616095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24329.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 721616095 is about 26862.9130028744. The cubic root of 721616095 is about 896.9510385579.

The spelling of 721616095 in words is "seven hundred twenty-one million, six hundred sixteen thousand, ninety-five".