73026263 has 4 divisors (see below), whose sum is σ = 75544440. Its totient is φ = 70508088.

The previous prime is 73026259. The next prime is 73026281. The reversal of 73026263 is 36262037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73026263 - 2² = 73026259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 2518147 = 73026263 / (7 + 3 + 0 + 2 + 6 + 2 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73026463) 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, 1259045 + ... + 1259102.

It is an arithmetic number, because the mean of its divisors is an integer number (18886110).

Almost surely, 2^73026263 is an apocalyptic number.

73026263 is a deficient number, since it is larger than the sum of its proper divisors (2518177).

73026263 is a wasteful number, since it uses less digits than its factorization.

73026263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518176.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 73026263 is about 8545.5405329330. The cubic root of 73026263 is about 417.9840332569.

The spelling of 73026263 in words is "seventy-three million, twenty-six thousand, two hundred sixty-three".