69216742 has 8 divisors (see below), whose sum is σ = 118657296. Its totient is φ = 29664312.

The previous prime is 69216731. The next prime is 69216773. The reversal of 69216742 is 24761296.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2472013 + ... + 2472040.

It is an arithmetic number, because the mean of its divisors is an integer number (14832162).

Almost surely, 2^69216742 is an apocalyptic number.

69216742 is a deficient number, since it is larger than the sum of its proper divisors (49440554).

69216742 is a wasteful number, since it uses less digits than its factorization.

69216742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944062.

The product of its digits is 36288, while the sum is 37.

The square root of 69216742 is about 8319.6599690132. The cubic root of 69216742 is about 410.5856037935.

It can be divided in two parts, 69 and 216742, that added together give a triangular number (216811 = T₆₅₈).

The spelling of 69216742 in words is "sixty-nine million, two hundred sixteen thousand, seven hundred forty-two".