67952638 has 16 divisors (see below), whose sum is σ = 116227440. Its totient is φ = 29517696.

The previous prime is 67952629. The next prime is 67952653. The reversal of 67952638 is 83625976.

It is a super-2 number, since 2×67952638² = 9235122022318088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76428 + ... + 77311.

It is an arithmetic number, because the mean of its divisors is an integer number (7264215).

Almost surely, 2^67952638 is an apocalyptic number.

67952638 is a deficient number, since it is larger than the sum of its proper divisors (48274802).

67952638 is a wasteful number, since it uses less digits than its factorization.

67952638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153771.

The product of its digits is 544320, while the sum is 46.

The square root of 67952638 is about 8243.3390079506. The cubic root of 67952638 is about 408.0707257566.

The spelling of 67952638 in words is "sixty-seven million, nine hundred fifty-two thousand, six hundred thirty-eight".