69812949 has 8 divisors (see below), whose sum is σ = 93301632. Its totient is φ = 46433120.

The previous prime is 69812923. The next prime is 69812957. The reversal of 69812949 is 94921896.

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

It is a cyclic number.

It is not a de Polignac number, because 69812949 - 2¹² = 69808853 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 69812898 and 69812907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69812909) by changing a digit.

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, 25704 + ... + 28289.

It is an arithmetic number, because the mean of its divisors is an integer number (11662704).

Almost surely, 2^69812949 is an apocalyptic number.

It is an amenable number.

69812949 is a deficient number, since it is larger than the sum of its proper divisors (23488683).

69812949 is a wasteful number, since it uses less digits than its factorization.

69812949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54427.

The product of its digits is 279936, while the sum is 48.

The square root of 69812949 is about 8355.4143523825. The cubic root of 69812949 is about 411.7611117882.

The spelling of 69812949 in words is "sixty-nine million, eight hundred twelve thousand, nine hundred forty-nine".