69472799 has 4 divisors (see below), whose sum is σ = 75788520. Its totient is φ = 63157080.

The previous prime is 69472789. The next prime is 69472801. The reversal of 69472799 is 99727496.

It is a happy number.

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 69472799 - 2¹² = 69468703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69472799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69472789) 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, 3157844 + ... + 3157865.

It is an arithmetic number, because the mean of its divisors is an integer number (18947130).

Almost surely, 2^69472799 is an apocalyptic number.

69472799 is a deficient number, since it is larger than the sum of its proper divisors (6315721).

69472799 is a wasteful number, since it uses less digits than its factorization.

69472799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315720.

The product of its digits is 1714608, while the sum is 53.

The square root of 69472799 is about 8335.0344330423. The cubic root of 69472799 is about 411.0912807874.

The spelling of 69472799 in words is "sixty-nine million, four hundred seventy-two thousand, seven hundred ninety-nine".