117237390 has 16 divisors (see below), whose sum is σ = 281369808. Its totient is φ = 31263296.

The previous prime is 117237361. The next prime is 117237397. The reversal of 117237390 is 93732711.

It is a happy number.

It is a super-2 number, since 2×117237390² = 27489211228024200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117237397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953927 + ... + 1953986.

It is an arithmetic number, because the mean of its divisors is an integer number (17585613).

Almost surely, 2^117237390 is an apocalyptic number.

117237390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117237390 is an abundant number, since it is smaller than the sum of its proper divisors (164132418).

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

117237390 is a wasteful number, since it uses less digits than its factorization.

117237390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907923.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 117237390 is about 10827.6216224986. The cubic root of 117237390 is about 489.4278898257.

The spelling of 117237390 in words is "one hundred seventeen million, two hundred thirty-seven thousand, three hundred ninety".