67538830 has 8 divisors (see below), whose sum is σ = 121569912. Its totient is φ = 27015528.

The previous prime is 67538819. The next prime is 67538839. The reversal of 67538830 is 3883576.

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

It is a super-2 number, since 2×67538830² = 9122987115537800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67538839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376932 + ... + 3376951.

It is an arithmetic number, because the mean of its divisors is an integer number (15196239).

Almost surely, 2^67538830 is an apocalyptic number.

67538830 is a deficient number, since it is larger than the sum of its proper divisors (54031082).

67538830 is a wasteful number, since it uses less digits than its factorization.

67538830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6753890.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 67538830 is about 8218.2011413691. The cubic root of 67538830 is about 407.2407022163.

The spelling of 67538830 in words is "sixty-seven million, five hundred thirty-eight thousand, eight hundred thirty".