190452720 has 40 divisors (see below), whose sum is σ = 590404176. Its totient is φ = 50787328.

The previous prime is 190452643. The next prime is 190452721. The reversal of 190452720 is 27254091.

190452720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190452721) 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, 396537 + ... + 397016.

Almost surely, 2^190452720 is an apocalyptic number.

190452720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190452720 is an abundant number, since it is smaller than the sum of its proper divisors (399951456).

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

190452720 is a wasteful number, since it uses less digits than its factorization.

190452720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793569 (or 793563 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 190452720 is about 13800.4608618698. The cubic root of 190452720 is about 575.3459493474.

The spelling of 190452720 in words is "one hundred ninety million, four hundred fifty-two thousand, seven hundred twenty".