32797978 has 4 divisors (see below), whose sum is σ = 49196970. Its totient is φ = 16398988.

The previous prime is 32797943. The next prime is 32797987. The reversal of 32797978 is 87979723.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31843449 + 954529 = 5643^2 + 977^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8199493 + ... + 8199496.

Almost surely, 2^32797978 is an apocalyptic number.

32797978 is a deficient number, since it is larger than the sum of its proper divisors (16398992).

32797978 is a wasteful number, since it uses less digits than its factorization.

32797978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16398991.

The product of its digits is 1333584, while the sum is 52.

The square root of 32797978 is about 5726.9518943326. The cubic root of 32797978 is about 320.0975548919.

The spelling of 32797978 in words is "thirty-two million, seven hundred ninety-seven thousand, nine hundred seventy-eight".