74334240 has 96 divisors (see below), whose sum is σ = 260184960. Its totient is φ = 19821312.

The previous prime is 74334233. The next prime is 74334259. The reversal of 74334240 is 4243347.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4284 + ... + 12923.

It is an arithmetic number, because the mean of its divisors is an integer number (2710260).

Almost surely, 2^74334240 is an apocalyptic number.

It is an amenable number.

74334240 is an abundant number, since it is smaller than the sum of its proper divisors (185850720).

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

74334240 is a wasteful number, since it uses less digits than its factorization.

74334240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17231 (or 17217 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 74334240 is about 8621.7306847291. The cubic root of 74334240 is about 420.4647915727.

Adding to 74334240 its reverse (4243347), we get a palindrome (78577587).

The spelling of 74334240 in words is "seventy-four million, three hundred thirty-four thousand, two hundred forty".