108742290 has 32 divisors (see below), whose sum is σ = 261320256. Its totient is φ = 28960320.

The previous prime is 108742289. The next prime is 108742303. The reversal of 108742290 is 92247801.

It is a happy 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, 27264 + ... + 30996.

It is an arithmetic number, because the mean of its divisors is an integer number (8166258).

Almost surely, 2^108742290 is an apocalyptic number.

108742290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108742290 is an abundant number, since it is smaller than the sum of its proper divisors (152577966).

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

108742290 is a wasteful number, since it uses less digits than its factorization.

108742290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 108742290 is about 10427.9571345494. The cubic root of 108742290 is about 477.3088550842.

The spelling of 108742290 in words is "one hundred eight million, seven hundred forty-two thousand, two hundred ninety".