146904720 has 80 divisors (see below), whose sum is σ = 471130560. Its totient is φ = 37821952.

The previous prime is 146904707. The next prime is 146904721. The reversal of 146904720 is 27409641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (146904721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3594 + ... + 17513.

It is an arithmetic number, because the mean of its divisors is an integer number (5889132).

Almost surely, 2^146904720 is an apocalyptic number.

146904720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146904720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235565280).

146904720 is an abundant number, since it is smaller than the sum of its proper divisors (324225840).

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

146904720 is a wasteful number, since it uses less digits than its factorization.

146904720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21152 (or 21146 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 146904720 is about 12120.4257350969. The cubic root of 146904720 is about 527.6491585709.

The spelling of 146904720 in words is "one hundred forty-six million, nine hundred four thousand, seven hundred twenty".