74231000 has 32 divisors (see below), whose sum is σ = 173702880. Its totient is φ = 29692000.

The previous prime is 74230973. The next prime is 74231011. The reversal of 74231000 is 13247.

It is a happy number.

It is a super-2 number, since 2×74231000² = 11020482722000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74231000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36116 + ... + 38115.

It is an arithmetic number, because the mean of its divisors is an integer number (5428215).

Almost surely, 2^74231000 is an apocalyptic number.

It is an amenable number.

74231000 is an abundant number, since it is smaller than the sum of its proper divisors (99471880).

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

74231000 is a wasteful number, since it uses less digits than its factorization.

74231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74252 (or 74238 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 74231000 is about 8615.7414074472. The cubic root of 74231000 is about 420.2700455316.

Adding to 74231000 its reverse (13247), we get a palindrome (74244247).

The spelling of 74231000 in words is "seventy-four million, two hundred thirty-one thousand".