69249242 has 4 divisors (see below), whose sum is σ = 103873866. Its totient is φ = 34624620.

The previous prime is 69249241. The next prime is 69249247. The reversal of 69249242 is 24294296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 69239041 + 10201 = 8321^2 + 101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 69249196 and 69249205.

It is not an unprimeable number, because it can be changed into a prime (69249241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17312309 + ... + 17312312.

Almost surely, 2^69249242 is an apocalyptic number.

69249242 is a deficient number, since it is larger than the sum of its proper divisors (34624624).

69249242 is a wasteful number, since it uses less digits than its factorization.

69249242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34624623.

The product of its digits is 62208, while the sum is 38.

The square root of 69249242 is about 8321.6129446160. The cubic root of 69249242 is about 410.6498558023.

The spelling of 69249242 in words is "sixty-nine million, two hundred forty-nine thousand, two hundred forty-two".