69394542 has 32 divisors (see below), whose sum is σ = 165514752. Its totient is φ = 18964704.

The previous prime is 69394511. The next prime is 69394583. The reversal of 69394542 is 24549396.

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

It is a junction number, because it is equal to n+sod(n) for n = 69394494 and 69394503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34953 + ... + 36884.

It is an arithmetic number, because the mean of its divisors is an integer number (5172336).

Almost surely, 2^69394542 is an apocalyptic number.

69394542 is an abundant number, since it is smaller than the sum of its proper divisors (96120210).

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

69394542 is a wasteful number, since it uses less digits than its factorization.

69394542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71872.

The product of its digits is 233280, while the sum is 42.

The square root of 69394542 is about 8330.3386485785. The cubic root of 69394542 is about 410.9368661202.

The spelling of 69394542 in words is "sixty-nine million, three hundred ninety-four thousand, five hundred forty-two".