74640752230 has 32 divisors (see below), whose sum is σ = 147108192768. Its totient is φ = 27041925600.

The previous prime is 74640752213. The next prime is 74640752267. The reversal of 74640752230 is 3225704647.

It is a happy number.

It is a congruent number.

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, 1222132 + ... + 1281751.

It is an arithmetic number, because the mean of its divisors is an integer number (4597131024).

Almost surely, 2^74640752230 is an apocalyptic number.

74640752230 is a deficient number, since it is larger than the sum of its proper divisors (72467440538).

74640752230 is a wasteful number, since it uses less digits than its factorization.

74640752230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504172.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 74640752230 in words is "seventy-four billion, six hundred forty million, seven hundred fifty-two thousand, two hundred thirty".