32772690 has 24 divisors (see below), whose sum is σ = 85209228. Its totient is φ = 8739360.

The previous prime is 32772679. The next prime is 32772721. The reversal of 32772690 is 9627723.

It can be written as a sum of positive squares in 2 ways, for example, as 32729841 + 42849 = 5721^2 + 207^2 .

It is a super-2 number, since 2×32772690² = 2148098419672200, 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 11 ways as a sum of consecutive naturals, for example, 181981 + ... + 182160.

Almost surely, 2^32772690 is an apocalyptic number.

32772690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32772690 is an abundant number, since it is smaller than the sum of its proper divisors (52436538).

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

32772690 is a wasteful number, since it uses less digits than its factorization.

32772690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364154 (or 364151 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 32772690 is about 5724.7436623835. The cubic root of 32772690 is about 320.0152661988.

The spelling of 32772690 in words is "thirty-two million, seven hundred seventy-two thousand, six hundred ninety".