117644746 has 16 divisors (see below), whose sum is σ = 180460800. Its totient is φ = 57505968.

The previous prime is 117644711. The next prime is 117644749. The reversal of 117644746 is 647446711.

It is a super-2 number, since 2×117644746² = 27680572522809032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117644699 and 117644708.

It is not an unprimeable number, because it can be changed into a prime (117644749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12660 + ... + 19888.

It is an arithmetic number, because the mean of its divisors is an integer number (11278800).

Almost surely, 2^117644746 is an apocalyptic number.

117644746 is a deficient number, since it is larger than the sum of its proper divisors (62816054).

117644746 is a wasteful number, since it uses less digits than its factorization.

117644746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7413.

The product of its digits is 112896, while the sum is 40.

The square root of 117644746 is about 10846.4162745121. The cubic root of 117644746 is about 489.9940940563.

The spelling of 117644746 in words is "one hundred seventeen million, six hundred forty-four thousand, seven hundred forty-six".