740697678 has 24 divisors (see below), whose sum is σ = 1834108848. Its totient is φ = 211627872.

The previous prime is 740697649. The next prime is 740697703. The reversal of 740697678 is 876796047.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2939151 + ... + 2939402.

It is an arithmetic number, because the mean of its divisors is an integer number (76421202).

Almost surely, 2^740697678 is an apocalyptic number.

740697678 is an abundant number, since it is smaller than the sum of its proper divisors (1093411170).

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

740697678 is a wasteful number, since it uses less digits than its factorization.

740697678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878568 (or 5878565 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The square root of 740697678 is about 27215.7615730297. The cubic root of 740697678 is about 904.7883383192.

The spelling of 740697678 in words is "seven hundred forty million, six hundred ninety-seven thousand, six hundred seventy-eight".