74488020 has 24 divisors (see below), whose sum is σ = 208566624. Its totient is φ = 19863456.

The previous prime is 74488019. The next prime is 74488027. The reversal of 74488020 is 2088447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74488027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620674 + ... + 620793.

It is an arithmetic number, because the mean of its divisors is an integer number (8690276).

Almost surely, 2^74488020 is an apocalyptic number.

It is an amenable number.

74488020 is an abundant number, since it is smaller than the sum of its proper divisors (134078604).

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

74488020 is a wasteful number, since it uses less digits than its factorization.

74488020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241479 (or 1241477 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 74488020 is about 8630.6442401480. The cubic root of 74488020 is about 420.7545393332.

The spelling of 74488020 in words is "seventy-four million, four hundred eighty-eight thousand, twenty".