69328945 has 16 divisors (see below), whose sum is σ = 95436288. Its totient is φ = 47361600.

The previous prime is 69328939. The next prime is 69328951. The reversal of 69328945 is 54982396.

It is an interprime number because it is at equal distance from previous prime (69328939) and next prime (69328951).

It is not a de Polignac number, because 69328945 - 2⁵ = 69328913 is a prime.

It is a super-2 number, since 2×69328945² = 9613005229626050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69328895 and 69328904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6120 + ... + 13270.

It is an arithmetic number, because the mean of its divisors is an integer number (5964768).

Almost surely, 2^69328945 is an apocalyptic number.

It is an amenable number.

69328945 is a deficient number, since it is larger than the sum of its proper divisors (26107343).

69328945 is a wasteful number, since it uses less digits than its factorization.

69328945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440.

The product of its digits is 466560, while the sum is 46.

The square root of 69328945 is about 8326.4004828017. The cubic root of 69328945 is about 410.8073423710.

The spelling of 69328945 in words is "sixty-nine million, three hundred twenty-eight thousand, nine hundred forty-five".