67414431 has 8 divisors (see below), whose sum is σ = 102726784. Its totient is φ = 38522520.

The previous prime is 67414409. The next prime is 67414433. The reversal of 67414431 is 13441476.

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

It is not a de Polignac number, because 67414431 - 2¹³ = 67406239 is a prime.

It is a super-2 number, since 2×67414431² = 9089411014107522, 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 (67414433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605085 + ... + 1605126.

It is an arithmetic number, because the mean of its divisors is an integer number (12840848).

Almost surely, 2^67414431 is an apocalyptic number.

67414431 is a deficient number, since it is larger than the sum of its proper divisors (35312353).

67414431 is a wasteful number, since it uses less digits than its factorization.

67414431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210221.

The product of its digits is 8064, while the sum is 30.

The square root of 67414431 is about 8210.6291476354. The cubic root of 67414431 is about 406.9905178826.

The spelling of 67414431 in words is "sixty-seven million, four hundred fourteen thousand, four hundred thirty-one".