69432743 has 4 divisors (see below), whose sum is σ = 73517040. Its totient is φ = 65348448.

The previous prime is 69432739. The next prime is 69432763. The reversal of 69432743 is 34723496.

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 69432743 - 2² = 69432739 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69432697 and 69432706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69432733) 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, 2042123 + ... + 2042156.

It is an arithmetic number, because the mean of its divisors is an integer number (18379260).

Almost surely, 2^69432743 is an apocalyptic number.

69432743 is a deficient number, since it is larger than the sum of its proper divisors (4084297).

69432743 is a wasteful number, since it uses less digits than its factorization.

69432743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084296.

The product of its digits is 108864, while the sum is 38.

The square root of 69432743 is about 8332.6312170886. The cubic root of 69432743 is about 411.0122578301.

The spelling of 69432743 in words is "sixty-nine million, four hundred thirty-two thousand, seven hundred forty-three".