740666697 has 8 divisors (see below), whose sum is σ = 1003745280. Its totient is φ = 485682960.

The previous prime is 740666651. The next prime is 740666711. The reversal of 740666697 is 796666047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 740666697 - 2¹⁶ = 740601161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740626697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2023497 + ... + 2023862.

It is an arithmetic number, because the mean of its divisors is an integer number (125468160).

Almost surely, 2^740666697 is an apocalyptic number.

It is an amenable number.

740666697 is a deficient number, since it is larger than the sum of its proper divisors (263078583).

740666697 is a wasteful number, since it uses less digits than its factorization.

740666697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047423.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The square root of 740666697 is about 27215.1923932204. The cubic root of 740666697 is about 904.7757233486.

The spelling of 740666697 in words is "seven hundred forty million, six hundred sixty-six thousand, six hundred ninety-seven".