94721616 has 160 divisors (see below), whose sum is σ = 306647040. Its totient is φ = 27734400.

The previous prime is 94721611. The next prime is 94721617. The reversal of 94721616 is 61612749.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94721611) 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, 146991 + ... + 147633.

It is an arithmetic number, because the mean of its divisors is an integer number (1916544).

Almost surely, 2^94721616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94721616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153323520).

94721616 is an abundant number, since it is smaller than the sum of its proper divisors (211925424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

94721616 is a wasteful number, since it uses less digits than its factorization.

94721616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 690 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 94721616 is about 9732.5030696116. The cubic root of 94721616 is about 455.8441295517.

The spelling of 94721616 in words is "ninety-four million, seven hundred twenty-one thousand, six hundred sixteen".