73049886 has 144 divisors (see below), whose sum is σ = 207645984. Its totient is φ = 18361728.

The previous prime is 73049861. The next prime is 73049887. The reversal of 73049886 is 68894037.

It is a happy number.

It is a super-2 number, since 2×73049886² = 10672571689225992, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73049887) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 263580 + ... + 263856.

It is an arithmetic number, because the mean of its divisors is an integer number (1441986).

Almost surely, 2^73049886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73049886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103822992).

73049886 is an abundant number, since it is smaller than the sum of its proper divisors (134596098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73049886 is a wasteful number, since it uses less digits than its factorization.

73049886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 73049886 is about 8546.9226040722. The cubic root of 73049886 is about 418.0290991090.

The spelling of 73049886 in words is "seventy-three million, forty-nine thousand, eight hundred eighty-six".