69672145 has 8 divisors (see below), whose sum is σ = 88007040. Its totient is φ = 52804080.

The previous prime is 69672143. The next prime is 69672151. The reversal of 69672145 is 54127696.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69672145 - 2¹ = 69672143 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 69672098 and 69672107.

It is not an unprimeable number, because it can be changed into a prime (69672143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366601 + ... + 366790.

It is an arithmetic number, because the mean of its divisors is an integer number (11000880).

Almost surely, 2^69672145 is an apocalyptic number.

It is an amenable number.

69672145 is a deficient number, since it is larger than the sum of its proper divisors (18334895).

69672145 is a wasteful number, since it uses less digits than its factorization.

69672145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733415.

The product of its digits is 90720, while the sum is 40.

The square root of 69672145 is about 8346.9841859201. The cubic root of 69672145 is about 411.4841018924.

The spelling of 69672145 in words is "sixty-nine million, six hundred seventy-two thousand, one hundred forty-five".