74450616 has 64 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 23232000.

The previous prime is 74450581. The next prime is 74450617. The reversal of 74450616 is 61605447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74450617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102045 + ... + 102771.

It is an arithmetic number, because the mean of its divisors is an integer number (3095820).

Almost surely, 2^74450616 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 74450616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99066240).

74450616 is an abundant number, since it is smaller than the sum of its proper divisors (123681864).

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

74450616 is a wasteful number, since it uses less digits than its factorization.

74450616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 74450616 is about 8628.4770382727. The cubic root of 74450616 is about 420.6841005442.

It can be divided in two parts, 744 and 50616, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 74450616 in words is "seventy-four million, four hundred fifty thousand, six hundred sixteen".