7402676666 has 36 divisors (see below), whose sum is σ = 14197954554. Its totient is φ = 2884155120.

The previous prime is 7402676663. The next prime is 7402676689. The reversal of 7402676666 is 6666762047.

It can be written as a sum of positive squares in only one way, i.e., 7371081025 + 31595641 = 85855^2 + 5621^2 .

It is not an unprimeable number, because it can be changed into a prime (7402676663) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 300281 + ... + 323996.

Almost surely, 2^7402676666 is an apocalyptic number.

7402676666 is a deficient number, since it is larger than the sum of its proper divisors (6795277888).

7402676666 is a wasteful number, since it uses less digits than its factorization.

7402676666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624315 (or 624297 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 50.

The square root of 7402676666 is about 86038.8090689312. The cubic root of 7402676666 is about 1948.9300872805.

The spelling of 7402676666 in words is "seven billion, four hundred two million, six hundred seventy-six thousand, six hundred sixty-six".