73537373 has 16 divisors (see below), whose sum is σ = 90720000. Its totient is φ = 58046976.

The previous prime is 73537369. The next prime is 73537379. The reversal of 73537373 is 37373537.

It is a happy number.

It is not a de Polignac number, because 73537373 - 2² = 73537369 is a prime.

It is a super-2 number, since 2×73537373² = 10815490455482258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73537379) 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 15 ways as a sum of consecutive naturals, for example, 58253 + ... + 59501.

It is an arithmetic number, because the mean of its divisors is an integer number (5670000).

Almost surely, 2^73537373 is an apocalyptic number.

It is an amenable number.

73537373 is a deficient number, since it is larger than the sum of its proper divisors (17182627).

73537373 is a wasteful number, since it uses less digits than its factorization.

73537373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916.

The product of its digits is 138915, while the sum is 38.

The square root of 73537373 is about 8575.3934603609. The cubic root of 73537373 is about 418.9569222236.

The spelling of 73537373 in words is "seventy-three million, five hundred thirty-seven thousand, three hundred seventy-three".