74334655643347 has 16 divisors (see below), whose sum is σ = 81477828322560. Its totient is φ = 67255738149600.

The previous prime is 74334655643309. The next prime is 74334655643357.

It is a happy number.

74334655643347 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74334655643347 - 2⁷ = 74334655643219 is a prime.

It is a super-2 number, since 2×74334655643347² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74334655643357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203190229 + ... + 203555737.

It is an arithmetic number, because the mean of its divisors is an integer number (5092364270160).

Almost surely, 2^{74334655643347} is an apocalyptic number.

74334655643347 is a deficient number, since it is larger than the sum of its proper divisors (7143172679213).

74334655643347 is a wasteful number, since it uses less digits than its factorization.

74334655643347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453354.

The product of its digits is 914457600, while the sum is 64.

The spelling of 74334655643347 in words is "seventy-four trillion, three hundred thirty-four billion, six hundred fifty-five million, six hundred forty-three thousand, three hundred forty-seven".