69464340 has 72 divisors (see below), whose sum is σ = 229870368. Its totient is φ = 16839360.

The previous prime is 69464321. The next prime is 69464357. The reversal of 69464340 is 4346496.

69464340 is a `hidden beast` number, since 6 + 9 + 4 + 643 + 4 + 0 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 69464295 and 69464304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15562 + ... + 19521.

It is an arithmetic number, because the mean of its divisors is an integer number (3192644).

Almost surely, 2^69464340 is an apocalyptic number.

69464340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69464340 is an abundant number, since it is smaller than the sum of its proper divisors (160406028).

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

69464340 is a wasteful number, since it uses less digits than its factorization.

69464340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35109 (or 35104 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 69464340 is about 8334.5269811790. The cubic root of 69464340 is about 411.0745953012.

The spelling of 69464340 in words is "sixty-nine million, four hundred sixty-four thousand, three hundred forty".