73026261 has 48 divisors (see below), whose sum is σ = 132507648. Its totient is φ = 37648800.

The previous prime is 73026259. The next prime is 73026281. The reversal of 73026261 is 16262037.

It is a happy number.

73026261 is a `hidden beast` number, since 7 + 30 + 2 + 626 + 1 = 666.

It is not a de Polignac number, because 73026261 - 2¹ = 73026259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73026251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115416 + ... + 116046.

It is an arithmetic number, because the mean of its divisors is an integer number (2760576).

Almost surely, 2^73026261 is an apocalyptic number.

It is an amenable number.

73026261 is a deficient number, since it is larger than the sum of its proper divisors (59481387).

73026261 is a wasteful number, since it uses less digits than its factorization.

73026261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 73026261 is about 8545.5404159129. The cubic root of 73026261 is about 417.9840294410.

Adding to 73026261 its reverse (16262037), we get a palindrome (89288298).

The spelling of 73026261 in words is "seventy-three million, twenty-six thousand, two hundred sixty-one".