146727690 has 64 divisors (see below), whose sum is σ = 377049600. Its totient is φ = 36431424.

The previous prime is 146727689. The next prime is 146727719. The reversal of 146727690 is 96727641.

146727690 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×146727690² = 43058030025472200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31449 + ... + 35811.

It is an arithmetic number, because the mean of its divisors is an integer number (5891400).

Almost surely, 2^146727690 is an apocalyptic number.

146727690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 146727690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188524800).

146727690 is an abundant number, since it is smaller than the sum of its proper divisors (230321910).

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

146727690 is a wasteful number, since it uses less digits than its factorization.

146727690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 146727690 is about 12113.1205723381. The cubic root of 146727690 is about 527.4371225489.

The spelling of 146727690 in words is "one hundred forty-six million, seven hundred twenty-seven thousand, six hundred ninety".