67930149 has 32 divisors (see below), whose sum is σ = 110786560. Its totient is φ = 36158400.

The previous prime is 67930139. The next prime is 67930211. The reversal of 67930149 is 94103976.

It is not a de Polignac number, because 67930149 - 2⁴ = 67930133 is a prime.

It is a super-2 number, since 2×67930149² = 9229010286324402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67930129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22944 + ... + 25734.

It is an arithmetic number, because the mean of its divisors is an integer number (3462080).

Almost surely, 2^67930149 is an apocalyptic number.

It is an amenable number.

67930149 is a deficient number, since it is larger than the sum of its proper divisors (42856411).

67930149 is a wasteful number, since it uses less digits than its factorization.

67930149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 67930149 is about 8241.9748240334. The cubic root of 67930149 is about 408.0257036383.

The spelling of 67930149 in words is "sixty-seven million, nine hundred thirty thousand, one hundred forty-nine".