69995040 has 48 divisors (see below), whose sum is σ = 220485888. Its totient is φ = 18665216.

The previous prime is 69995021. The next prime is 69995041. The reversal of 69995040 is 4059996.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 69994983 and 69995001.

It is not an unprimeable number, because it can be changed into a prime (69995041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72432 + ... + 73391.

It is an arithmetic number, because the mean of its divisors is an integer number (4593456).

Almost surely, 2^69995040 is an apocalyptic number.

69995040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69995040 is an abundant number, since it is smaller than the sum of its proper divisors (150490848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69995040 is a wasteful number, since it uses less digits than its factorization.

69995040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145841 (or 145833 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 69995040 is about 8366.3038433946. The cubic root of 69995040 is about 412.1187956676.

The spelling of 69995040 in words is "sixty-nine million, nine hundred ninety-five thousand, forty".