74004216 has 64 divisors (see below), whose sum is σ = 217365120. Its totient is φ = 20699520.

The previous prime is 74004209. The next prime is 74004239. The reversal of 74004216 is 61240047.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7350 + ... + 14213.

It is an arithmetic number, because the mean of its divisors is an integer number (3396330).

Almost surely, 2^74004216 is an apocalyptic number.

It is an amenable number.

74004216 is an abundant number, since it is smaller than the sum of its proper divisors (143360904).

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

74004216 is a wasteful number, since it uses less digits than its factorization.

74004216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21596 (or 21592 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 74004216 is about 8602.5703135749. The cubic root of 74004216 is about 419.8416182864.

The spelling of 74004216 in words is "seventy-four million, four thousand, two hundred sixteen".