73818273 has 8 divisors (see below), whose sum is σ = 98653408. Its totient is φ = 49097664.

The previous prime is 73818259. The next prime is 73818317. The reversal of 73818273 is 37281837.

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

It is not a de Polignac number, because 73818273 - 2¹⁸ = 73556129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73818373) 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, 27115 + ... + 29712.

It is an arithmetic number, because the mean of its divisors is an integer number (12331676).

Almost surely, 2^73818273 is an apocalyptic number.

It is an amenable number.

73818273 is a deficient number, since it is larger than the sum of its proper divisors (24835135).

73818273 is a wasteful number, since it uses less digits than its factorization.

73818273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57263.

The product of its digits is 56448, while the sum is 39.

The square root of 73818273 is about 8591.7561068736. The cubic root of 73818273 is about 419.4896920086.

The spelling of 73818273 in words is "seventy-three million, eight hundred eighteen thousand, two hundred seventy-three".