67398402 has 16 divisors (see below), whose sum is σ = 139145472. Its totient is φ = 21741360.

The previous prime is 67398391. The next prime is 67398403. The reversal of 67398402 is 20489376.

It is not an unprimeable number, because it can be changed into a prime (67398403) 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, 180993 + ... + 181364.

It is an arithmetic number, because the mean of its divisors is an integer number (8696592).

Almost surely, 2^67398402 is an apocalyptic number.

67398402 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

67398402 is an abundant number, since it is smaller than the sum of its proper divisors (71747070).

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

67398402 is a wasteful number, since it uses less digits than its factorization.

67398402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362393.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 67398402 is about 8209.6529768316. The cubic root of 67398402 is about 406.9582588741.

The spelling of 67398402 in words is "sixty-seven million, three hundred ninety-eight thousand, four hundred two".