74321234 has 32 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 31914432.

The previous prime is 74321231. The next prime is 74321239. The reversal of 74321234 is 43212347.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (74321231) 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, 20447 + ... + 23805.

It is an arithmetic number, because the mean of its divisors is an integer number (4021920).

Almost surely, 2^74321234 is an apocalyptic number.

74321234 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

74321234 is a deficient number, since it is larger than the sum of its proper divisors (54380206).

74321234 is a wasteful number, since it uses less digits than its factorization.

74321234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434.

The product of its digits is 4032, while the sum is 26.

The square root of 74321234 is about 8620.9763948175. The cubic root of 74321234 is about 420.4402677281.

The spelling of 74321234 in words is "seventy-four million, three hundred twenty-one thousand, two hundred thirty-four".