740171667 has 8 divisors (see below), whose sum is σ = 987321280. Its totient is φ = 493234920.

The previous prime is 740171639. The next prime is 740171711. The reversal of 740171667 is 766171047.

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

It is not a de Polignac number, because 740171667 - 2⁷ = 740171539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740171617) 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, 44917 + ... + 59142.

It is an arithmetic number, because the mean of its divisors is an integer number (123415160).

Almost surely, 2^740171667 is an apocalyptic number.

740171667 is a deficient number, since it is larger than the sum of its proper divisors (247149613).

740171667 is a wasteful number, since it uses less digits than its factorization.

740171667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106433.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 740171667 is about 27206.0961367117. The cubic root of 740171667 is about 904.5741072690.

The spelling of 740171667 in words is "seven hundred forty million, one hundred seventy-one thousand, six hundred sixty-seven".