7284975990 has 32 divisors (see below), whose sum is σ = 17509970016. Its totient is φ = 1939768320.

The previous prime is 7284975979. The next prime is 7284976003. The reversal of 7284975990 is 995794827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160221 + ... + 200600.

It is an arithmetic number, because the mean of its divisors is an integer number (547186563).

Almost surely, 2^7284975990 is an apocalyptic number.

7284975990 is an abundant number, since it is smaller than the sum of its proper divisors (10224994026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7284975990 is a wasteful number, since it uses less digits than its factorization.

7284975990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361504.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The square root of 7284975990 is about 85352.0708008892. The cubic root of 7284975990 is about 1938.5456906228.

The spelling of 7284975990 in words is "seven billion, two hundred eighty-four million, nine hundred seventy-five thousand, nine hundred ninety".