72190676 has 12 divisors (see below), whose sum is σ = 126397908. Its totient is φ = 36076992.

The previous prime is 72190673. The next prime is 72190681. The reversal of 72190676 is 67609127.

It can be written as a sum of positive squares in 2 ways, for example, as 43824400 + 28366276 = 6620^2 + 5326^2 .

It is a super-2 number, since 2×72190676² = 10422987402673952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72190673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8270 + ... + 14586.

It is an arithmetic number, because the mean of its divisors is an integer number (10533159).

Almost surely, 2^72190676 is an apocalyptic number.

It is an amenable number.

72190676 is a deficient number, since it is larger than the sum of its proper divisors (54207232).

72190676 is a wasteful number, since it uses less digits than its factorization.

72190676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9178 (or 9176 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 72190676 is about 8496.5096363154. The cubic root of 72190676 is about 416.3836835506.

The spelling of 72190676 in words is "seventy-two million, one hundred ninety thousand, six hundred seventy-six".