190472077 has 8 divisors (see below), whose sum is σ = 191517920. Its totient is φ = 189429840.

The previous prime is 190472057. The next prime is 190472099. The reversal of 190472077 is 770274091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190472077 - 2⁷ = 190471949 is a prime.

It is a super-2 number, since 2×190472077² = 72559224233387858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190472047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257374 + ... + 258112.

It is an arithmetic number, because the mean of its divisors is an integer number (23939740).

Almost surely, 2^190472077 is an apocalyptic number.

It is an amenable number.

190472077 is a deficient number, since it is larger than the sum of its proper divisors (1045843).

190472077 is an equidigital number, since it uses as much as digits as its factorization.

190472077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 190472077 is about 13801.1621612095. The cubic root of 190472077 is about 575.3654407891.

The spelling of 190472077 in words is "one hundred ninety million, four hundred seventy-two thousand, seventy-seven".