117621460 has 48 divisors (see below), whose sum is σ = 270708480. Its totient is φ = 42573440.

The previous prime is 117621451. The next prime is 117621461. The reversal of 117621460 is 64126711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117621461) 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 15 ways as a sum of consecutive naturals, for example, 51462 + ... + 53698.

It is an arithmetic number, because the mean of its divisors is an integer number (5639760).

Almost surely, 2^117621460 is an apocalyptic number.

117621460 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 117621460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135354240).

117621460 is an abundant number, since it is smaller than the sum of its proper divisors (153087020).

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

117621460 is a wasteful number, since it uses less digits than its factorization.

117621460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 117621460 is about 10845.3427792763. The cubic root of 117621460 is about 489.9617629471.

It can be divided in two parts, 1176 and 21460, that multiplied together give a triangular number (25236960 = T₇₁₀₄).

The spelling of 117621460 in words is "one hundred seventeen million, six hundred twenty-one thousand, four hundred sixty".