73706274 has 72 divisors (see below), whose sum is σ = 171115308. Its totient is φ = 23794560.

The previous prime is 73706273. The next prime is 73706291. The reversal of 73706274 is 47260737.

It can be written as a sum of positive squares in 2 ways, for example, as 69605649 + 4100625 = 8343^2 + 2025^2 .

It is a super-2 number, since 2×73706274² = 10865229653926152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73706273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 537934 + ... + 538070.

Almost surely, 2^73706274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73706274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85557654).

73706274 is an abundant number, since it is smaller than the sum of its proper divisors (97409034).

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

73706274 is an equidigital number, since it uses as much as digits as its factorization.

73706274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 73706274 is about 8585.2358150490. The cubic root of 73706274 is about 419.2774310731.

The spelling of 73706274 in words is "seventy-three million, seven hundred six thousand, two hundred seventy-four".