7651617242 has 8 divisors (see below), whose sum is σ = 11787626676. Its totient is φ = 3722408352.

The previous prime is 7651617229. The next prime is 7651617257. The reversal of 7651617242 is 2427161567.

It can be written as a sum of positive squares in 2 ways, for example, as 7342947481 + 308669761 = 85691^2 + 17569^2 .

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 7651617242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51700043 + ... + 51700190.

Almost surely, 2^7651617242 is an apocalyptic number.

7651617242 is a deficient number, since it is larger than the sum of its proper divisors (4136009434).

7651617242 is a wasteful number, since it uses less digits than its factorization.

7651617242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103400272.

The product of its digits is 141120, while the sum is 41.

The square root of 7651617242 is about 87473.5230912760. The cubic root of 7651617242 is about 1970.5361765576.

The spelling of 7651617242 in words is "seven billion, six hundred fifty-one million, six hundred seventeen thousand, two hundred forty-two".