74238056783618 has 64 divisors (see below), whose sum is σ = 141881378150400. Its totient is φ = 28340079897600.

The previous prime is 74238056783563. The next prime is 74238056783623. The reversal of 74238056783618 is 81638765083247.

It is a super-2 number, since 2×74238056783618² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16882103 + ... + 20820218.

It is an arithmetic number, because the mean of its divisors is an integer number (2216896533600).

Almost surely, 2^{74238056783618} is an apocalyptic number.

74238056783618 is a deficient number, since it is larger than the sum of its proper divisors (67643321366782).

74238056783618 is a wasteful number, since it uses less digits than its factorization.

74238056783618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37702723.

The product of its (nonzero) digits is 325140480, while the sum is 68.

The spelling of 74238056783618 in words is "seventy-four trillion, two hundred thirty-eight billion, fifty-six million, seven hundred eighty-three thousand, six hundred eighteen".