74499238451 has 8 divisors (see below), whose sum is σ = 82604223408. Its totient is φ = 66616308000.

The previous prime is 74499238439. The next prime is 74499238519. The reversal of 74499238451 is 15483299447.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-74499238451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74499238951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55512920 + ... + 55514261.

It is an arithmetic number, because the mean of its divisors is an integer number (10325527926).

Almost surely, 2^74499238451 is an apocalyptic number.

74499238451 is a deficient number, since it is larger than the sum of its proper divisors (8104984957).

74499238451 is a wasteful number, since it uses less digits than its factorization.

74499238451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111027253.

The product of its digits is 8709120, while the sum is 56.

The spelling of 74499238451 in words is "seventy-four billion, four hundred ninety-nine million, two hundred thirty-eight thousand, four hundred fifty-one".