73847869 has 8 divisors (see below), whose sum is σ = 75657888. Its totient is φ = 72058800.

The previous prime is 73847849. The next prime is 73847887. The reversal of 73847869 is 96874837.

It is a happy number.

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 73847869 - 2¹⁵ = 73815101 is a prime.

It is a super-2 number, since 2×73847869² = 10907015511682322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73847849) 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, 2019 + ... + 12319.

It is an arithmetic number, because the mean of its divisors is an integer number (9457236).

Almost surely, 2^73847869 is an apocalyptic number.

It is an amenable number.

73847869 is a deficient number, since it is larger than the sum of its proper divisors (1810019).

73847869 is a wasteful number, since it uses less digits than its factorization.

73847869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10475.

The product of its digits is 2032128, while the sum is 52.

The square root of 73847869 is about 8593.4782829772. The cubic root of 73847869 is about 419.5457465941.

The spelling of 73847869 in words is "seventy-three million, eight hundred forty-seven thousand, eight hundred sixty-nine".