74654218397 has 8 divisors (see below), whose sum is σ = 84249275040. Its totient is φ = 65527213360.

The previous prime is 74654218393. The next prime is 74654218399. The reversal of 74654218397 is 79381245647.

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

It is a cyclic number.

It is not a de Polignac number, because 74654218397 - 2² = 74654218393 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 (74654218393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117012563 + ... + 117013200.

It is an arithmetic number, because the mean of its divisors is an integer number (10531159380).

Almost surely, 2^74654218397 is an apocalyptic number.

It is an amenable number.

74654218397 is a deficient number, since it is larger than the sum of its proper divisors (9595056643).

74654218397 is a wasteful number, since it uses less digits than its factorization.

74654218397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234025803.

The product of its digits is 10160640, while the sum is 56.

The spelling of 74654218397 in words is "seventy-four billion, six hundred fifty-four million, two hundred eighteen thousand, three hundred ninety-seven".