69499542 has 48 divisors (see below), whose sum is σ = 166088880. Its totient is φ = 19317312.

The previous prime is 69499513. The next prime is 69499543. The reversal of 69499542 is 24599496.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 69499491 and 69499500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69499543) 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, 7684 + ... + 14072.

It is an arithmetic number, because the mean of its divisors is an integer number (3460185).

Almost surely, 2^69499542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69499542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83044440).

69499542 is an abundant number, since it is smaller than the sum of its proper divisors (96589338).

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

69499542 is a wasteful number, since it uses less digits than its factorization.

69499542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445 (or 6438 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 69499542 is about 8336.6385312067. The cubic root of 69499542 is about 411.1440227906.

The spelling of 69499542 in words is "sixty-nine million, four hundred ninety-nine thousand, five hundred forty-two".