190010725 has 12 divisors (see below), whose sum is σ = 241982404. Its totient is φ = 147899520.

The previous prime is 190010701. The next prime is 190010729. The reversal of 190010725 is 527010091.

It can be written as a sum of positive squares in 6 ways, for example, as 14130081 + 175880644 = 3759^2 + 13262^2 .

It is not a de Polignac number, because 190010725 - 2²¹ = 187913573 is a prime.

It is a super-2 number, since 2×190010725² = 72208151230051250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190010725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190010729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101784 + ... + 103633.

Almost surely, 2^190010725 is an apocalyptic number.

It is an amenable number.

190010725 is a deficient number, since it is larger than the sum of its proper divisors (51971679).

190010725 is a wasteful number, since it uses less digits than its factorization.

190010725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205464 (or 205459 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 190010725 is about 13784.4377832395. The cubic root of 190010725 is about 574.9005246947.

The spelling of 190010725 in words is "one hundred ninety million, ten thousand, seven hundred twenty-five".