67243401 has 12 divisors (see below), whose sum is σ = 98038512. Its totient is φ = 44409336.

The previous prime is 67243391. The next prime is 67243409. The reversal of 67243401 is 10434276.

It is not a de Polignac number, because 67243401 - 2⁵ = 67243369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67243409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33951 + ... + 35876.

It is an arithmetic number, because the mean of its divisors is an integer number (8169876).

Almost surely, 2^67243401 is an apocalyptic number.

It is an amenable number.

67243401 is a deficient number, since it is larger than the sum of its proper divisors (30795111).

67243401 is a wasteful number, since it uses less digits than its factorization.

67243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69940 (or 69937 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 67243401 is about 8200.2073754266. The cubic root of 67243401 is about 406.6460489263.

Adding to 67243401 its reverse (10434276), we get a palindrome (77677677).

The spelling of 67243401 in words is "sixty-seven million, two hundred forty-three thousand, four hundred one".