69223640 has 16 divisors (see below), whose sum is σ = 155753280. Its totient is φ = 27689440.

The previous prime is 69223639. The next prime is 69223657. The reversal of 69223640 is 4632296.

It is a junction number, because it is equal to n+sod(n) for n = 69223597 and 69223606.

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, 865256 + ... + 865335.

It is an arithmetic number, because the mean of its divisors is an integer number (9734580).

Almost surely, 2^69223640 is an apocalyptic number.

It is an amenable number.

69223640 is an abundant number, since it is smaller than the sum of its proper divisors (86529640).

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

69223640 is a wasteful number, since it uses less digits than its factorization.

69223640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730602 (or 1730598 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 69223640 is about 8320.0745188971. The cubic root of 69223640 is about 410.5992427164.

The spelling of 69223640 in words is "sixty-nine million, two hundred twenty-three thousand, six hundred forty".