7912457290 has 8 divisors (see below), whose sum is σ = 14242423140. Its totient is φ = 3164982912.

The previous prime is 7912457281. The next prime is 7912457297. The reversal of 7912457290 is 927542197.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7865383969 + 47073321 = 88687^2 + 6861^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 7912457290.

It is not an unprimeable number, because it can be changed into a prime (7912457297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395622855 + ... + 395622874.

Almost surely, 2^7912457290 is an apocalyptic number.

7912457290 is a deficient number, since it is larger than the sum of its proper divisors (6329965850).

7912457290 is a wasteful number, since it uses less digits than its factorization.

7912457290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791245736.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 7912457290 is about 88951.9943002966. The cubic root of 7912457290 is about 1992.6780010444.

The spelling of 7912457290 in words is "seven billion, nine hundred twelve million, four hundred fifty-seven thousand, two hundred ninety".