117951974 has 16 divisors (see below), whose sum is σ = 205632000. Its totient is φ = 49693704.

The previous prime is 117951973. The next prime is 117951983. The reversal of 117951974 is 479159711.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117951971) 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, 70574 + ... + 72225.

It is an arithmetic number, because the mean of its divisors is an integer number (12852000).

Almost surely, 2^117951974 is an apocalyptic number.

117951974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117951974 is a deficient number, since it is larger than the sum of its proper divisors (87680026).

117951974 is a wasteful number, since it uses less digits than its factorization.

117951974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142867.

The product of its digits is 79380, while the sum is 44.

The square root of 117951974 is about 10860.5696903984. The cubic root of 117951974 is about 490.4202614117.

The spelling of 117951974 in words is "one hundred seventeen million, nine hundred fifty-one thousand, nine hundred seventy-four".