74238486 has 48 divisors (see below), whose sum is σ = 172653312. Its totient is φ = 20844720.

The previous prime is 74238481. The next prime is 74238509. The reversal of 74238486 is 68483247.

It is a super-2 number, since 2×74238486² = 11022705607144392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 566641 + ... + 566771.

It is an arithmetic number, because the mean of its divisors is an integer number (3596944).

Almost surely, 2^74238486 is an apocalyptic number.

74238486 is an abundant number, since it is smaller than the sum of its proper divisors (98414826).

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

74238486 is a wasteful number, since it uses less digits than its factorization.

74238486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 246 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 74238486 is about 8616.1758338604. The cubic root of 74238486 is about 420.2841727642.

The spelling of 74238486 in words is "seventy-four million, two hundred thirty-eight thousand, four hundred eighty-six".