82729354 has 4 divisors (see below), whose sum is σ = 124094034. Its totient is φ = 41364676.

The previous prime is 82729351. The next prime is 82729369. The reversal of 82729354 is 45392728.

82729354 = T₇₄₂₅ + T₇₄₂₆ + T₇₄₂₇.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49378729 + 33350625 = 7027^2 + 5775^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (82729351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20682337 + ... + 20682340.

Almost surely, 2^82729354 is an apocalyptic number.

82729354 is the 7427-th centered triangular number.

82729354 is a deficient number, since it is larger than the sum of its proper divisors (41364680).

82729354 is a wasteful number, since it uses less digits than its factorization.

82729354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41364679.

The product of its digits is 120960, while the sum is 40.

The square root of 82729354 is about 9095.5678217470. The cubic root of 82729354 is about 435.7324235651.

The spelling of 82729354 in words is "eighty-two million, seven hundred twenty-nine thousand, three hundred fifty-four".