7530791490 has 24 divisors (see below), whose sum is σ = 19580058108. Its totient is φ = 2008211040.

The previous prime is 7530791459. The next prime is 7530791509. The reversal of 7530791490 is 941970357.

7530791490 is a `hidden beast` number, since 7 + 530 + 79 + 1 + 49 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6588731241 + 942060249 = 81171^2 + 30693^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41837641 + ... + 41837820.

Almost surely, 2^7530791490 is an apocalyptic number.

7530791490 is an abundant number, since it is smaller than the sum of its proper divisors (12049266618).

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

7530791490 is a wasteful number, since it uses less digits than its factorization.

7530791490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83675474 (or 83675471 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 7530791490 is about 86780.1330374643. The cubic root of 7530791490 is about 1960.1089320618.

The spelling of 7530791490 in words is "seven billion, five hundred thirty million, seven hundred ninety-one thousand, four hundred ninety".