80266972 has 24 divisors (see below), whose sum is σ = 143362352. Its totient is φ = 39312000.

The previous prime is 80266969. The next prime is 80267009. The reversal of 80266972 is 27966208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75847 + ... + 76897.

Almost surely, 2^80266972 is an apocalyptic number.

It is an amenable number.

80266972 is a deficient number, since it is larger than the sum of its proper divisors (63095380).

80266972 is a wasteful number, since it uses less digits than its factorization.

80266972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 80266972 is about 8959.1836681698. The cubic root of 80266972 is about 431.3657172630.

The spelling of 80266972 in words is "eighty million, two hundred sixty-six thousand, nine hundred seventy-two".