74553472473797 has 4 divisors (see below), whose sum is σ = 74643404287020. Its totient is φ = 74463540660576.

The previous prime is 74553472473761. The next prime is 74553472473859. The reversal of 74553472473797 is 79737427435547.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23995243468036 + 50558229005761 = 4898494^2 + 7110431^2 .

It is a cyclic number.

It is not a de Polignac number, because 74553472473797 - 2¹² = 74553472469701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74553472473737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44965905368 + ... + 44965907025.

It is an arithmetic number, because the mean of its divisors is an integer number (18660851071755).

Almost surely, 2^{74553472473797} is an apocalyptic number.

It is an amenable number.

74553472473797 is a deficient number, since it is larger than the sum of its proper divisors (89931813223).

74553472473797 is an equidigital number, since it uses as much as digits as its factorization.

74553472473797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89931813222.

The product of its digits is 4356374400, while the sum is 74.

The spelling of 74553472473797 in words is "seventy-four trillion, five hundred fifty-three billion, four hundred seventy-two million, four hundred seventy-three thousand, seven hundred ninety-seven".