190074630 has 64 divisors (see below), whose sum is σ = 464771520. Its totient is φ = 49741824.

The previous prime is 190074623. The next prime is 190074631. The reversal of 190074630 is 36470091.

It is a happy number.

It is a super-2 number, since 2×190074630² = 72256729939273800, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190074631) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 686052 + ... + 686328.

It is an arithmetic number, because the mean of its divisors is an integer number (7262055).

Almost surely, 2^190074630 is an apocalyptic number.

190074630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190074630 is an abundant number, since it is smaller than the sum of its proper divisors (274696890).

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

190074630 is a wasteful number, since it uses less digits than its factorization.

190074630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 190074630 is about 13786.7556009382. The cubic root of 190074630 is about 574.9649682501.

The spelling of 190074630 in words is "one hundred ninety million, seventy-four thousand, six hundred thirty".