7291485685 has 8 divisors (see below), whose sum is σ = 9545217696. Its totient is φ = 5302898640.

The previous prime is 7291485679. The next prime is 7291485701. The reversal of 7291485685 is 5865841927.

It is a happy number.

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

It is not a de Polignac number, because 7291485685 - 2⁷ = 7291485557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 132572467 = 7291485685 / (7 + 2 + 9 + 1 + 4 + 8 + 5 + 6 + 8 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66286179 + ... + 66286288.

It is an arithmetic number, because the mean of its divisors is an integer number (1193152212).

Almost surely, 2^7291485685 is an apocalyptic number.

It is an amenable number.

7291485685 is a deficient number, since it is larger than the sum of its proper divisors (2253732011).

7291485685 is a wasteful number, since it uses less digits than its factorization.

7291485685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132572483.

The product of its digits is 4838400, while the sum is 55.

The square root of 7291485685 is about 85390.1966562907. The cubic root of 7291485685 is about 1939.1229327113.

The spelling of 7291485685 in words is "seven billion, two hundred ninety-one million, four hundred eighty-five thousand, six hundred eighty-five".