73420853 has 8 divisors (see below), whose sum is σ = 83578176. Its totient is φ = 63844000.

The previous prime is 73420843. The next prime is 73420861. The reversal of 73420853 is 35802437.

It is a happy number.

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

It is not a de Polignac number, because 73420853 - 2⁸ = 73420597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73420843) 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, 144848 + ... + 145353.

It is an arithmetic number, because the mean of its divisors is an integer number (10447272).

Almost surely, 2^73420853 is an apocalyptic number.

It is an amenable number.

73420853 is a deficient number, since it is larger than the sum of its proper divisors (10157323).

73420853 is a wasteful number, since it uses less digits than its factorization.

73420853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290235.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 73420853 is about 8568.5969096463. The cubic root of 73420853 is about 418.7355261055.

The spelling of 73420853 in words is "seventy-three million, four hundred twenty thousand, eight hundred fifty-three".