66272674 has 12 divisors (see below), whose sum is σ = 107644626. Its totient is φ = 30587232.

The previous prime is 66272669. The next prime is 66272677. The reversal of 66272674 is 47627266.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12909649 + 53363025 = 3593^2 + 7305^2 .

It is a super-2 number, since 2×66272674² = 8784134638220552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66272677) 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, 97699 + ... + 98374.

Almost surely, 2^66272674 is an apocalyptic number.

66272674 is a deficient number, since it is larger than the sum of its proper divisors (41371952).

66272674 is a wasteful number, since it uses less digits than its factorization.

66272674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196101 (or 196088 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 66272674 is about 8140.8030316425. The cubic root of 66272674 is about 404.6797732876.

The spelling of 66272674 in words is "sixty-six million, two hundred seventy-two thousand, six hundred seventy-four".