74008020 has 48 divisors (see below), whose sum is σ = 216236160. Its totient is φ = 18877056.

The previous prime is 74008003. The next prime is 74008027. The reversal of 74008020 is 2080047.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74008027) 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, 25435 + ... + 28194.

It is an arithmetic number, because the mean of its divisors is an integer number (4504920).

Almost surely, 2^74008020 is an apocalyptic number.

It is an amenable number.

74008020 is an abundant number, since it is smaller than the sum of its proper divisors (142228140).

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

74008020 is a wasteful number, since it uses less digits than its factorization.

74008020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53664 (or 53662 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 74008020 is about 8602.7914074444. The cubic root of 74008020 is about 419.8488117962.

Adding to 74008020 its reverse (2080047), we get a palindrome (76088067).

The spelling of 74008020 in words is "seventy-four million, eight thousand, twenty".