74073816 has 24 divisors (see below), whose sum is σ = 200616780. Its totient is φ = 24691248.

The previous prime is 74073809. The next prime is 74073827. The reversal of 74073816 is 61837047.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 514330 + ... + 514473.

Almost surely, 2^74073816 is an apocalyptic number.

It is an amenable number.

74073816 is an abundant number, since it is smaller than the sum of its proper divisors (126542964).

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

74073816 is a wasteful number, since it uses less digits than its factorization.

74073816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028815 (or 1028808 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 74073816 is about 8606.6146654768. The cubic root of 74073816 is about 419.9731955683.

The spelling of 74073816 in words is "seventy-four million, seventy-three thousand, eight hundred sixteen".