117951740 has 24 divisors (see below), whose sum is σ = 250837440. Its totient is φ = 46582848.

The previous prime is 117951731. The next prime is 117951749. The reversal of 117951740 is 47159711.

It is an interprime number because it is at equal distance from previous prime (117951731) and next prime (117951749).

It is a super-2 number, since 2×117951740² = 27825225938055200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 117951740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117951749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35747 + ... + 38906.

It is an arithmetic number, because the mean of its divisors is an integer number (10451560).

Almost surely, 2^117951740 is an apocalyptic number.

117951740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117951740 is an abundant number, since it is smaller than the sum of its proper divisors (132885700).

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

117951740 is a wasteful number, since it uses less digits than its factorization.

117951740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74741 (or 74739 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 117951740 is about 10860.5589174775. The cubic root of 117951740 is about 490.4199371034.

The spelling of 117951740 in words is "one hundred seventeen million, nine hundred fifty-one thousand, seven hundred forty".