74074720 has 48 divisors (see below), whose sum is σ = 182619360. Its totient is φ = 28340224.

The previous prime is 74074699. The next prime is 74074727. The reversal of 74074720 is 2747047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74074727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6385 + ... + 13744.

It is an arithmetic number, because the mean of its divisors is an integer number (3804570).

Almost surely, 2^74074720 is an apocalyptic number.

It is an amenable number.

74074720 is an abundant number, since it is smaller than the sum of its proper divisors (108544640).

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

74074720 is a wasteful number, since it uses less digits than its factorization.

74074720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20167 (or 20159 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 74074720 is about 8606.6671830622. The cubic root of 74074720 is about 419.9749040182.

The spelling of 74074720 in words is "seventy-four million, seventy-four thousand, seven hundred twenty".