7285680357 has 8 divisors (see below), whose sum is σ = 10027603200. Its totient is φ = 4700438880.

The previous prime is 7285680343. The next prime is 7285680371. The reversal of 7285680357 is 7530865827.

It is an interprime number because it is at equal distance from previous prime (7285680343) and next prime (7285680371).

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

It is not a de Polignac number, because 7285680357 - 2⁷ = 7285680229 is a prime.

It is a super-2 number, since 2×7285680357² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7285680317) 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, 39170232 + ... + 39170417.

It is an arithmetic number, because the mean of its divisors is an integer number (1253450400).

Almost surely, 2^7285680357 is an apocalyptic number.

It is an amenable number.

7285680357 is a deficient number, since it is larger than the sum of its proper divisors (2741922843).

7285680357 is a wasteful number, since it uses less digits than its factorization.

7285680357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78340683.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The square root of 7285680357 is about 85356.1969455060. The cubic root of 7285680357 is about 1938.6081663999.

The spelling of 7285680357 in words is "seven billion, two hundred eighty-five million, six hundred eighty thousand, three hundred fifty-seven".