67479901 has 4 divisors (see below), whose sum is σ = 69656704. Its totient is φ = 65303100.

The previous prime is 67479899. The next prime is 67479911. The reversal of 67479901 is 10997476.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67479901 - 2¹ = 67479899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67479911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088355 + ... + 1088416.

It is an arithmetic number, because the mean of its divisors is an integer number (17414176).

Almost surely, 2^67479901 is an apocalyptic number.

It is an amenable number.

67479901 is a deficient number, since it is larger than the sum of its proper divisors (2176803).

67479901 is a wasteful number, since it uses less digits than its factorization.

67479901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176802.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 67479901 is about 8214.6150853220. The cubic root of 67479901 is about 407.1222258258.

The spelling of 67479901 in words is "sixty-seven million, four hundred seventy-nine thousand, nine hundred one".