69672042 has 48 divisors (see below), whose sum is σ = 170197440. Its totient is φ = 21110760.

The previous prime is 69672041. The next prime is 69672049. The reversal of 69672042 is 24027696.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 69671988 and 69672006.

It is not an unprimeable number, because it can be changed into a prime (69672041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1203 + ... + 11865.

It is an arithmetic number, because the mean of its divisors is an integer number (3545780).

Almost surely, 2^69672042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69672042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85098720).

69672042 is an abundant number, since it is smaller than the sum of its proper divisors (100525398).

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

69672042 is a wasteful number, since it uses less digits than its factorization.

69672042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10696 (or 10679 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 69672042 is about 8346.9780160247. The cubic root of 69672042 is about 411.4838991194.

It can be divided in two parts, 6967 and 2042, that added together give a palindrome (9009).

The spelling of 69672042 in words is "sixty-nine million, six hundred seventy-two thousand, forty-two".