190070320 has 80 divisors (see below), whose sum is σ = 493396992. Its totient is φ = 67495680.

The previous prime is 190070317. The next prime is 190070333. The reversal of 190070320 is 23070091.

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

It is a super-2 number, since 2×190070320² = 72253453089804800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 190070291 and 190070300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35329 + ... + 40351.

Almost surely, 2^190070320 is an apocalyptic number.

190070320 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 190070320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246698496).

190070320 is an abundant number, since it is smaller than the sum of its proper divisors (303326672).

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

190070320 is a wasteful number, since it uses less digits than its factorization.

190070320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090 (or 5084 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 190070320 is about 13786.5992906155. The cubic root of 190070320 is about 574.9606223821.

The spelling of 190070320 in words is "one hundred ninety million, seventy thousand, three hundred twenty".