740478668 has 12 divisors (see below), whose sum is σ = 1303598352. Its totient is φ = 368022000.

The previous prime is 740478653. The next prime is 740478689. The reversal of 740478668 is 866874047.

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, 553583 + ... + 554918.

It is an arithmetic number, because the mean of its divisors is an integer number (108633196).

Almost surely, 2^740478668 is an apocalyptic number.

It is an amenable number.

740478668 is a deficient number, since it is larger than the sum of its proper divisors (563119684).

740478668 is a wasteful number, since it uses less digits than its factorization.

740478668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108672 (or 1108670 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The square root of 740478668 is about 27211.7376879905. The cubic root of 740478668 is about 904.6991533820.

The spelling of 740478668 in words is "seven hundred forty million, four hundred seventy-eight thousand, six hundred sixty-eight".