69142402 has 16 divisors (see below), whose sum is σ = 120474432. Its totient is φ = 29146320.

The previous prime is 69142399. The next prime is 69142421. The reversal of 69142402 is 20424196.

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 7 ways as a sum of consecutive naturals, for example, 39628 + ... + 41335.

It is an arithmetic number, because the mean of its divisors is an integer number (7529652).

Almost surely, 2^69142402 is an apocalyptic number.

69142402 is a deficient number, since it is larger than the sum of its proper divisors (51332030).

69142402 is a wasteful number, since it uses less digits than its factorization.

69142402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81033.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 69142402 is about 8315.1910380941. The cubic root of 69142402 is about 410.4385590814.

Adding to 69142402 its reverse (20424196), we get a palindrome (89566598).

It can be divided in two parts, 6914 and 2402, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 69142402 in words is "sixty-nine million, one hundred forty-two thousand, four hundred two".