74743622353 has 4 divisors (see below), whose sum is σ = 77993345088. Its totient is φ = 71493899620.

The previous prime is 74743622281. The next prime is 74743622357. The reversal of 74743622353 is 35322634747.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74743622353 - 2¹⁷ = 74743491281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74743622357) 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, 1624861333 + ... + 1624861378.

It is an arithmetic number, because the mean of its divisors is an integer number (19498336272).

Almost surely, 2^74743622353 is an apocalyptic number.

It is an amenable number.

74743622353 is a deficient number, since it is larger than the sum of its proper divisors (3249722735).

74743622353 is a wasteful number, since it uses less digits than its factorization.

74743622353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249722734.

The product of its digits is 2540160, while the sum is 46.

The spelling of 74743622353 in words is "seventy-four billion, seven hundred forty-three million, six hundred twenty-two thousand, three hundred fifty-three".