69472973 has 4 divisors (see below), whose sum is σ = 69494880. Its totient is φ = 69451068.

The previous prime is 69472969. The next prime is 69472979. The reversal of 69472973 is 37927496.

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 a cyclic number.

It is not a de Polignac number, because 69472973 - 2² = 69472969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69472979) 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, 5183 + ... + 12876.

It is an arithmetic number, because the mean of its divisors is an integer number (17373720).

Almost surely, 2^69472973 is an apocalyptic number.

It is an amenable number.

69472973 is a deficient number, since it is larger than the sum of its proper divisors (21907).

69472973 is a wasteful number, since it uses less digits than its factorization.

69472973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21906.

The product of its digits is 571536, while the sum is 47.

The square root of 69472973 is about 8335.0448709050. The cubic root of 69472973 is about 411.0916239904.

The spelling of 69472973 in words is "sixty-nine million, four hundred seventy-two thousand, nine hundred seventy-three".