68949512 has 8 divisors (see below), whose sum is σ = 129280350. Its totient is φ = 34474752.

The previous prime is 68949493. The next prime is 68949521. The reversal of 68949512 is 21594986.

It can be written as a sum of positive squares in only one way, i.e., 46158436 + 22791076 = 6794^2 + 4774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4309337 + ... + 4309352.

Almost surely, 2^68949512 is an apocalyptic number.

It is an amenable number.

68949512 is a deficient number, since it is larger than the sum of its proper divisors (60330838).

68949512 is a wasteful number, since it uses less digits than its factorization.

68949512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8618695 (or 8618691 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 68949512 is about 8303.5842863188. The cubic root of 68949512 is about 410.0565299805.

The spelling of 68949512 in words is "sixty-eight million, nine hundred forty-nine thousand, five hundred twelve".