69475680 has 72 divisors (see below), whose sum is σ = 237090672. Its totient is φ = 18526464.

The previous prime is 69475673. The next prime is 69475691. The reversal of 69475680 is 8657496.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×69475680² = 9653740222924800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22684 + ... + 25563.

It is an arithmetic number, because the mean of its divisors is an integer number (3292926).

Almost surely, 2^69475680 is an apocalyptic number.

69475680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69475680 is an abundant number, since it is smaller than the sum of its proper divisors (167614992).

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

69475680 is a wasteful number, since it uses less digits than its factorization.

69475680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48268 (or 48257 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 69475680 is about 8335.2072559715. The cubic root of 69475680 is about 411.0969632877.

The spelling of 69475680 in words is "sixty-nine million, four hundred seventy-five thousand, six hundred eighty".