80742485 has 8 divisors (see below), whose sum is σ = 97185696. Its totient is φ = 64397520.

The previous prime is 80742481. The next prime is 80742499. The reversal of 80742485 is 58424708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80742485 - 2² = 80742481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80742481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22739 + ... + 26048.

It is an arithmetic number, because the mean of its divisors is an integer number (12148212).

Almost surely, 2^80742485 is an apocalyptic number.

It is an amenable number.

80742485 is a deficient number, since it is larger than the sum of its proper divisors (16443211).

80742485 is a wasteful number, since it uses less digits than its factorization.

80742485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49123.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 80742485 is about 8985.6822222912. The cubic root of 80742485 is about 432.2158646967.

The spelling of 80742485 in words is "eighty million, seven hundred forty-two thousand, four hundred eighty-five".