740666668 has 12 divisors (see below), whose sum is σ = 1481333392. Its totient is φ = 317428560.

The previous prime is 740666651. The next prime is 740666711. The reversal of 740666668 is 866666047.

740666668 is an admirable number.

It is a super-2 number, since 2×740666668² = 1097174226172444448, which contains 22 as substring.

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, 13226163 + ... + 13226218.

Almost surely, 2^740666668 is an apocalyptic number.

It is an amenable number.

740666668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

740666668 is a wasteful number, since it uses less digits than its factorization.

740666668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26452392 (or 26452390 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The square root of 740666668 is about 27215.1918604297. The cubic root of 740666668 is about 904.7757115401.

The spelling of 740666668 in words is "seven hundred forty million, six hundred sixty-six thousand, six hundred sixty-eight".