69485870 has 16 divisors (see below), whose sum is σ = 125203968. Its totient is φ = 27765600.

The previous prime is 69485863. The next prime is 69485873. The reversal of 69485870 is 7858496.

It is a super-2 number, since 2×69485870² = 9656572259313800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69485873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8492 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (7825248).

Almost surely, 2^69485870 is an apocalyptic number.

69485870 is a deficient number, since it is larger than the sum of its proper divisors (55718098).

69485870 is a wasteful number, since it uses less digits than its factorization.

69485870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 69485870 is about 8335.8184961046. The cubic root of 69485870 is about 411.1170608397.

The spelling of 69485870 in words is "sixty-nine million, four hundred eighty-five thousand, eight hundred seventy".