7649679028 has 12 divisors (see below), whose sum is σ = 13388354532. Its totient is φ = 3824434880.

The previous prime is 7649679019. The next prime is 7649679029. The reversal of 7649679028 is 8209769467.

It can be written as a sum of positive squares in 2 ways, for example, as 1569110544 + 6080568484 = 39612^2 + 77978^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649679029) 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, 56425 + ... + 135952.

It is an arithmetic number, because the mean of its divisors is an integer number (1115696211).

Almost surely, 2^7649679028 is an apocalyptic number.

It is an amenable number.

7649679028 is a deficient number, since it is larger than the sum of its proper divisors (5738675504).

7649679028 is a wasteful number, since it uses less digits than its factorization.

7649679028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202322 (or 202320 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The square root of 7649679028 is about 87462.4435286369. The cubic root of 7649679028 is about 1970.3697784740.

The spelling of 7649679028 in words is "seven billion, six hundred forty-nine million, six hundred seventy-nine thousand, twenty-eight".