7285156090 has 8 divisors (see below), whose sum is σ = 13113280980. Its totient is φ = 2914062432.

The previous prime is 7285156079. The next prime is 7285156093. The reversal of 7285156090 is 906515827.

It can be written as a sum of positive squares in 2 ways, for example, as 6392162401 + 892993689 = 79951^2 + 29883^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7285156093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364257795 + ... + 364257814.

Almost surely, 2^7285156090 is an apocalyptic number.

7285156090 is a deficient number, since it is larger than the sum of its proper divisors (5828124890).

7285156090 is a wasteful number, since it uses less digits than its factorization.

7285156090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728515616.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 7285156090 is about 85353.1258361403. The cubic root of 7285156090 is about 1938.5616654731.

The spelling of 7285156090 in words is "seven billion, two hundred eighty-five million, one hundred fifty-six thousand, ninety".