68972433 has 4 divisors (see below), whose sum is σ = 91963248. Its totient is φ = 45981620.

The previous prime is 68972429. The next prime is 68972437. The reversal of 68972433 is 33427986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (68972429) and next prime (68972437).

It is a cyclic number.

It is not a de Polignac number, because 68972433 - 2² = 68972429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68972437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11495403 + ... + 11495408.

It is an arithmetic number, because the mean of its divisors is an integer number (22990812).

Almost surely, 2^68972433 is an apocalyptic number.

It is an amenable number.

68972433 is a deficient number, since it is larger than the sum of its proper divisors (22990815).

68972433 is a wasteful number, since it uses less digits than its factorization.

68972433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22990814.

The product of its digits is 217728, while the sum is 42.

The square root of 68972433 is about 8304.9643587435. The cubic root of 68972433 is about 410.1019635359.

The spelling of 68972433 in words is "sixty-eight million, nine hundred seventy-two thousand, four hundred thirty-three".