73036881 has 6 divisors (see below), whose sum is σ = 105497730. Its totient is φ = 48691248.

The previous prime is 73036849. The next prime is 73036889. The reversal of 73036881 is 18863037.

It can be written as a sum of positive squares in only one way, i.e., 38638656 + 34398225 = 6216^2 + 5865^2 .

It is not a de Polignac number, because 73036881 - 2⁵ = 73036849 is a prime.

It is a super-2 number, since 2×73036881² = 10668771972416322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73036889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4057596 + ... + 4057613.

It is an arithmetic number, because the mean of its divisors is an integer number (17582955).

Almost surely, 2^73036881 is an apocalyptic number.

It is an amenable number.

73036881 is a deficient number, since it is larger than the sum of its proper divisors (32460849).

73036881 is a wasteful number, since it uses less digits than its factorization.

73036881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115215 (or 8115212 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 73036881 is about 8546.1617700579. The cubic root of 73036881 is about 418.0042905323.

The spelling of 73036881 in words is "seventy-three million, thirty-six thousand, eight hundred eighty-one".