69481340 has 12 divisors (see below), whose sum is σ = 145910856. Its totient is φ = 27792528.

The previous prime is 69481339. The next prime is 69481387. The reversal of 69481340 is 4318496.

It is a self number, because there is not a number n which added to its sum of digits gives 69481340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737014 + ... + 1737053.

It is an arithmetic number, because the mean of its divisors is an integer number (12159238).

Almost surely, 2^69481340 is an apocalyptic number.

It is an amenable number.

69481340 is an abundant number, since it is smaller than the sum of its proper divisors (76429516).

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

69481340 is a wasteful number, since it uses less digits than its factorization.

69481340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474076 (or 3474074 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 69481340 is about 8335.5467727078. The cubic root of 69481340 is about 411.1081266455.

The spelling of 69481340 in words is "sixty-nine million, four hundred eighty-one thousand, three hundred forty".