67230513 has 16 divisors (see below), whose sum is σ = 113829760. Its totient is φ = 38417328.

The previous prime is 67230509. The next prime is 67230523. The reversal of 67230513 is 31503276.

It is a happy number.

It is not a de Polignac number, because 67230513 - 2² = 67230509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67230503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177670 + ... + 178047.

It is an arithmetic number, because the mean of its divisors is an integer number (7114360).

Almost surely, 2^67230513 is an apocalyptic number.

67230513 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

67230513 is a deficient number, since it is larger than the sum of its proper divisors (46599247).

67230513 is a wasteful number, since it uses less digits than its factorization.

67230513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355733 (or 355727 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 67230513 is about 8199.4215039843. The cubic root of 67230513 is about 406.6200677442.

Adding to 67230513 its reverse (31503276), we get a palindrome (98733789).

The spelling of 67230513 in words is "sixty-seven million, two hundred thirty thousand, five hundred thirteen".