747442617 has 16 divisors (see below), whose sum is σ = 1005335040. Its totient is φ = 493938432.

The previous prime is 747442613. The next prime is 747442649. The reversal of 747442617 is 716244747.

It is a happy number.

It is not a de Polignac number, because 747442617 - 2² = 747442613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (747442613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223953 + ... + 227265.

It is an arithmetic number, because the mean of its divisors is an integer number (62833440).

Almost surely, 2^747442617 is an apocalyptic number.

It is an amenable number.

747442617 is a deficient number, since it is larger than the sum of its proper divisors (257892423).

747442617 is a wasteful number, since it uses less digits than its factorization.

747442617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952.

The product of its digits is 263424, while the sum is 42.

The square root of 747442617 is about 27339.3967929068. The cubic root of 747442617 is about 907.5264374664.

The spelling of 747442617 in words is "seven hundred forty-seven million, four hundred forty-two thousand, six hundred seventeen".