740718679 has 4 divisors (see below), whose sum is σ = 784290384. Its totient is φ = 697146976.

The previous prime is 740718673. The next prime is 740718683. The reversal of 740718679 is 976817047.

740718679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976817047 = 919 ⋅1062913.

It is a cyclic number.

It is not a de Polignac number, because 740718679 - 2¹¹ = 740716631 is a prime.

It is a super-2 number, since 2×740718679² = 1097328322839010082, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740718673) 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, 21785827 + ... + 21785860.

It is an arithmetic number, because the mean of its divisors is an integer number (196072596).

Almost surely, 2^740718679 is an apocalyptic number.

740718679 is a deficient number, since it is larger than the sum of its proper divisors (43571705).

740718679 is a wasteful number, since it uses less digits than its factorization.

740718679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43571704.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 740718679 is about 27216.1473945156. The cubic root of 740718679 is about 904.7968893925.

The spelling of 740718679 in words is "seven hundred forty million, seven hundred eighteen thousand, six hundred seventy-nine".