73740985 has 8 divisors (see below), whose sum is σ = 93694536. Its totient is φ = 55522560.

The previous prime is 73740959. The next prime is 73740991. The reversal of 73740985 is 58904737.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16949689 + 56791296 = 4117^2 + 7536^2 .

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

It is not a de Polignac number, because 73740985 - 2¹⁹ = 73216697 is a prime.

It is a super-3 number, since 3×73740985³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 433686 + ... + 433855.

It is an arithmetic number, because the mean of its divisors is an integer number (11711817).

Almost surely, 2^73740985 is an apocalyptic number.

It is an amenable number.

73740985 is a deficient number, since it is larger than the sum of its proper divisors (19953551).

73740985 is a wasteful number, since it uses less digits than its factorization.

73740985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867563.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 73740985 is about 8587.2571290255. The cubic root of 73740985 is about 419.3432384737.

The spelling of 73740985 in words is "seventy-three million, seven hundred forty thousand, nine hundred eighty-five".