73989958 has 16 divisors (see below), whose sum is σ = 126950400. Its totient is φ = 31682376.

The previous prime is 73989943. The next prime is 73989977. The reversal of 73989958 is 85998937.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29643 + ... + 32041.

It is an arithmetic number, because the mean of its divisors is an integer number (7934400).

Almost surely, 2^73989958 is an apocalyptic number.

73989958 is a deficient number, since it is larger than the sum of its proper divisors (52960442).

73989958 is a wasteful number, since it uses less digits than its factorization.

73989958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611.

The product of its digits is 4898880, while the sum is 58.

The square root of 73989958 is about 8601.7415678454. The cubic root of 73989958 is about 419.8146536683.

It can be divided in two parts, 73989 and 958, that added together give a palindrome (74947).

The spelling of 73989958 in words is "seventy-three million, nine hundred eighty-nine thousand, nine hundred fifty-eight".