74240219254 has 4 divisors (see below), whose sum is σ = 111360328884. Its totient is φ = 37120109626.

The previous prime is 74240219203. The next prime is 74240219303. The reversal of 74240219254 is 45291204247.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×74240219254² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18560054812 + ... + 18560054815.

It is an arithmetic number, because the mean of its divisors is an integer number (27840082221).

Almost surely, 2^74240219254 is an apocalyptic number.

74240219254 is a deficient number, since it is larger than the sum of its proper divisors (37120109630).

74240219254 is a wasteful number, since it uses less digits than its factorization.

74240219254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37120109629.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 74240219254 in words is "seventy-four billion, two hundred forty million, two hundred nineteen thousand, two hundred fifty-four".