73868949 has 32 divisors (see below), whose sum is σ = 136442880. Its totient is φ = 38372400.

The previous prime is 73868929. The next prime is 73868953. The reversal of 73868949 is 94986837.

It is not a de Polignac number, because 73868949 - 2⁸ = 73868693 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73868895 and 73868904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73868929) 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 31 ways as a sum of consecutive naturals, for example, 15687 + ... + 19844.

It is an arithmetic number, because the mean of its divisors is an integer number (4263840).

Almost surely, 2^73868949 is an apocalyptic number.

It is an amenable number.

73868949 is a deficient number, since it is larger than the sum of its proper divisors (62573931).

73868949 is a wasteful number, since it uses less digits than its factorization.

73868949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35558 (or 35552 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 73868949 is about 8594.7047069693. The cubic root of 73868949 is about 419.5856628123.

The spelling of 73868949 in words is "seventy-three million, eight hundred sixty-eight thousand, nine hundred forty-nine".