74531016 has 96 divisors (see below), whose sum is σ = 239279040. Its totient is φ = 21290688.

The previous prime is 74531011. The next prime is 74531059. The reversal of 74531016 is 61013547.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (74531011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10870 + ... + 16346.

It is an arithmetic number, because the mean of its divisors is an integer number (2492490).

Almost surely, 2^74531016 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 74531016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119639520).

74531016 is an abundant number, since it is smaller than the sum of its proper divisors (164748024).

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

74531016 is a wasteful number, since it uses less digits than its factorization.

74531016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505 (or 5489 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 74531016 is about 8633.1347724914. The cubic root of 74531016 is about 420.8354797873.

The spelling of 74531016 in words is "seventy-four million, five hundred thirty-one thousand, sixteen".