742572617 has 8 divisors (see below), whose sum is σ = 752328000. Its totient is φ = 732869584.

The previous prime is 742572613. The next prime is 742572653. The reversal of 742572617 is 716275247.

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

It is a cyclic number.

It is not a de Polignac number, because 742572617 - 2² = 742572613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742572613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15884 + ... + 41682.

It is an arithmetic number, because the mean of its divisors is an integer number (94041000).

Almost surely, 2^742572617 is an apocalyptic number.

It is an amenable number.

742572617 is a deficient number, since it is larger than the sum of its proper divisors (9755383).

742572617 is a wasteful number, since it uses less digits than its factorization.

742572617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26175.

The product of its digits is 164640, while the sum is 41.

The square root of 742572617 is about 27250.1856323952. The cubic root of 742572617 is about 905.5511297651.

The spelling of 742572617 in words is "seven hundred forty-two million, five hundred seventy-two thousand, six hundred seventeen".