82973474 has 4 divisors (see below), whose sum is σ = 124460214. Its totient is φ = 41486736.

The previous prime is 82973441. The next prime is 82973507. The reversal of 82973474 is 47437928.

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

It is an interprime number because it is at equal distance from previous prime (82973441) and next prime (82973507).

It can be written as a sum of positive squares in only one way, i.e., 41692849 + 41280625 = 6457^2 + 6425^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20743367 + ... + 20743370.

Almost surely, 2^82973474 is an apocalyptic number.

82973474 is a deficient number, since it is larger than the sum of its proper divisors (41486740).

82973474 is a wasteful number, since it uses less digits than its factorization.

82973474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41486739.

The product of its digits is 338688, while the sum is 44.

The square root of 82973474 is about 9108.9776594303. The cubic root of 82973474 is about 436.1605930028.

The spelling of 82973474 in words is "eighty-two million, nine hundred seventy-three thousand, four hundred seventy-four".