73812258 has 24 divisors (see below), whose sum is σ = 172229148. Its totient is φ = 22711392.

The previous prime is 73812253. The next prime is 73812281. The reversal of 73812258 is 85221837.

It can be written as a sum of positive squares in 2 ways, for example, as 54863649 + 18948609 = 7407^2 + 4353^2 .

It is not an unprimeable number, because it can be changed into a prime (73812251) 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, 157485 + ... + 157952.

Almost surely, 2^73812258 is an apocalyptic number.

73812258 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

73812258 is an abundant number, since it is smaller than the sum of its proper divisors (98416890).

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

73812258 is a wasteful number, since it uses less digits than its factorization.

73812258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315458 (or 315455 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 73812258 is about 8591.4060548900. The cubic root of 73812258 is about 419.4782978152.

It can be divided in two parts, 738 and 12258, that added together give a square (12996 = 114²).

The spelling of 73812258 in words is "seventy-three million, eight hundred twelve thousand, two hundred fifty-eight".