190064740 has 12 divisors (see below), whose sum is σ = 399135996. Its totient is φ = 76025888.

The previous prime is 190064737. The next prime is 190064759. The reversal of 190064740 is 47460091.

It can be written as a sum of positive squares in 2 ways, for example, as 29333056 + 160731684 = 5416^2 + 12678^2 .

It is a super-2 number, since 2×190064740² = 72249210782535200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4751599 + ... + 4751638.

It is an arithmetic number, because the mean of its divisors is an integer number (33261333).

Almost surely, 2^190064740 is an apocalyptic number.

190064740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190064740 is an abundant number, since it is smaller than the sum of its proper divisors (209071256).

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

190064740 is a wasteful number, since it uses less digits than its factorization.

190064740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9503246 (or 9503244 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 190064740 is about 13786.3969187021. The cubic root of 190064740 is about 574.9549958476.

The spelling of 190064740 in words is "one hundred ninety million, sixty-four thousand, seven hundred forty".