69287064 has 64 divisors (see below), whose sum is σ = 215965440. Its totient is φ = 17996160.

The previous prime is 69287047. The next prime is 69287069. The reversal of 69287064 is 46078296.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69287069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16899 + ... + 20594.

It is an arithmetic number, because the mean of its divisors is an integer number (3374460).

Almost surely, 2^69287064 is an apocalyptic number.

It is an amenable number.

69287064 is an abundant number, since it is smaller than the sum of its proper divisors (146678376).

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

69287064 is a wasteful number, since it uses less digits than its factorization.

69287064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37520 (or 37516 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 69287064 is about 8323.8851505772. The cubic root of 69287064 is about 410.7246040191.

The spelling of 69287064 in words is "sixty-nine million, two hundred eighty-seven thousand, sixty-four".