94512643 has 4 divisors (see below), whose sum is σ = 94567320. Its totient is φ = 94457968.

The previous prime is 94512623. The next prime is 94512683. The reversal of 94512643 is 34621549.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34621549 = 2531 ⋅13679.

It is a cyclic number.

It is not a de Polignac number, because 94512643 - 2⁵ = 94512611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 94512599 and 94512608.

It is not an unprimeable number, because it can be changed into a prime (94512623) 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, 24658 + ... + 28231.

It is an arithmetic number, because the mean of its divisors is an integer number (23641830).

Almost surely, 2^94512643 is an apocalyptic number.

94512643 is the 5197-th centered heptagonal number.

94512643 is a deficient number, since it is larger than the sum of its proper divisors (54677).

94512643 is a wasteful number, since it uses less digits than its factorization.

94512643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54676.

The product of its digits is 25920, while the sum is 34.

The square root of 94512643 is about 9721.7613116143. The cubic root of 94512643 is about 455.5086578884.

The spelling of 94512643 in words is "ninety-four million, five hundred twelve thousand, six hundred forty-three".