74238488 has 8 divisors (see below), whose sum is σ = 139197180. Its totient is φ = 37119240.

The previous prime is 74238481. The next prime is 74238509. The reversal of 74238488 is 88483247.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×74238488² = 11022706201052288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74238481) 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 as a sum of consecutive naturals, namely, 4639898 + ... + 4639913.

Almost surely, 2^74238488 is an apocalyptic number.

It is an amenable number.

74238488 is a deficient number, since it is larger than the sum of its proper divisors (64958692).

74238488 is a wasteful number, since it uses less digits than its factorization.

74238488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9279817 (or 9279813 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 74238488 is about 8616.1759499212. The cubic root of 74238488 is about 420.2841765384.

The spelling of 74238488 in words is "seventy-four million, two hundred thirty-eight thousand, four hundred eighty-eight".