32973047 has 4 divisors (see below), whose sum is σ = 34912656. Its totient is φ = 31033440.

The previous prime is 32973043. The next prime is 32973067. The reversal of 32973047 is 74037923.

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

It is a cyclic number.

It is not a de Polignac number, because 32973047 - 2² = 32973043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32972998 and 32973016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32973041) 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, 969779 + ... + 969812.

It is an arithmetic number, because the mean of its divisors is an integer number (8728164).

Almost surely, 2^32973047 is an apocalyptic number.

32973047 is a deficient number, since it is larger than the sum of its proper divisors (1939609).

32973047 is a wasteful number, since it uses less digits than its factorization.

32973047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939608.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 32973047 is about 5742.2162097922. The cubic root of 32973047 is about 320.6660832820. Note that the first 3 decimals are identical.

The spelling of 32973047 in words is "thirty-two million, nine hundred seventy-three thousand, forty-seven".