69420418 has 16 divisors (see below), whose sum is σ = 110730240. Its totient is φ = 32527936.

The previous prime is 69420413. The next prime is 69420427. The reversal of 69420418 is 81402496.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (69420413) 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, 3855 + ... + 12397.

It is an arithmetic number, because the mean of its divisors is an integer number (6920640).

Almost surely, 2^69420418 is an apocalyptic number.

69420418 is a deficient number, since it is larger than the sum of its proper divisors (41309822).

69420418 is a wasteful number, since it uses less digits than its factorization.

69420418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 69420418 is about 8331.8916219548. The cubic root of 69420418 is about 410.9879368079.

It can be divided in two parts, 694 and 20418, that added together give a palindrome (21112).

The spelling of 69420418 in words is "sixty-nine million, four hundred twenty thousand, four hundred eighteen".