740868613 has 4 divisors (see below), whose sum is σ = 745305120. Its totient is φ = 736432108.

The previous prime is 740868547. The next prime is 740868631. The reversal of 740868613 is 316868047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 740868613 - 2¹⁷ = 740737541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740868613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740868673) 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, 2218003 + ... + 2218336.

It is an arithmetic number, because the mean of its divisors is an integer number (186326280).

Almost surely, 2^740868613 is an apocalyptic number.

It is an amenable number.

740868613 is a deficient number, since it is larger than the sum of its proper divisors (4436507).

740868613 is a wasteful number, since it uses less digits than its factorization.

740868613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436506.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 740868613 is about 27218.9017596229. The cubic root of 740868613 is about 904.8579340096.

The spelling of 740868613 in words is "seven hundred forty million, eight hundred sixty-eight thousand, six hundred thirteen".