67738140 has 48 divisors (see below), whose sum is σ = 210742560. Its totient is φ = 18063360.

The previous prime is 67738133. The next prime is 67738199. The reversal of 67738140 is 4183776.

It is a super-2 number, since 2×67738140² = 9176911221319200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 67738095 and 67738104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62181 + ... + 63260.

It is an arithmetic number, because the mean of its divisors is an integer number (4390470).

Almost surely, 2^67738140 is an apocalyptic number.

67738140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67738140 is an abundant number, since it is smaller than the sum of its proper divisors (143004420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67738140 is a wasteful number, since it uses less digits than its factorization.

67738140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125459 (or 125451 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 67738140 is about 8230.3183413523. The cubic root of 67738140 is about 407.6409037617.

The spelling of 67738140 in words is "sixty-seven million, seven hundred thirty-eight thousand, one hundred forty".