117407420 has 48 divisors (see below), whose sum is σ = 266632128. Its totient is φ = 43169280.

The previous prime is 117407419. The next prime is 117407431. The reversal of 117407420 is 24704711.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 117407420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72257 + ... + 73863.

It is an arithmetic number, because the mean of its divisors is an integer number (5554836).

Almost surely, 2^117407420 is an apocalyptic number.

117407420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117407420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133316064).

117407420 is an abundant number, since it is smaller than the sum of its proper divisors (149224708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117407420 is a wasteful number, since it uses less digits than its factorization.

117407420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 117407420 is about 10835.4704558685. The cubic root of 117407420 is about 489.6643821435.

The spelling of 117407420 in words is "one hundred seventeen million, four hundred seven thousand, four hundred twenty".