73970559 has 12 divisors (see below), whose sum is σ = 115065496. Its totient is φ = 45520272.

The previous prime is 73970543. The next prime is 73970579. The reversal of 73970559 is 95507937.

It is a happy number.

73970559 is a `hidden beast` number, since 7 + 3 + 97 + 0 + 559 = 666.

It is not a de Polignac number, because 73970559 - 2⁴ = 73970543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73970509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315997 + ... + 316230.

Almost surely, 2^73970559 is an apocalyptic number.

73970559 is a deficient number, since it is larger than the sum of its proper divisors (41094937).

73970559 is a wasteful number, since it uses less digits than its factorization.

73970559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632246 (or 632243 counting only the distinct ones).

The product of its (nonzero) digits is 297675, while the sum is 45.

The square root of 73970559 is about 8600.6138734395. The cubic root of 73970559 is about 419.7779608677. Note that the first 3 decimals are identical.

It can be divided in two parts, 73970 and 559, that added together give a square (74529 = 273²).

The spelling of 73970559 in words is "seventy-three million, nine hundred seventy thousand, five hundred fifty-nine".