67272407 has 8 divisors (see below), whose sum is σ = 70931760. Its totient is φ = 63624960.

The previous prime is 67272397. The next prime is 67272437. The reversal of 67272407 is 70427276.

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

It is a cyclic number.

It is not a de Polignac number, because 67272407 - 2⁴ = 67272391 is a prime.

It is a super-3 number, since 3×67272407³ (a number of 24 digits) contains 333 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 (67272437) 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, 10157 + ... + 15417.

It is an arithmetic number, because the mean of its divisors is an integer number (8866470).

Almost surely, 2^67272407 is an apocalyptic number.

67272407 is a deficient number, since it is larger than the sum of its proper divisors (3659353).

67272407 is a wasteful number, since it uses less digits than its factorization.

67272407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 67272407 is about 8201.9757985500. The cubic root of 67272407 is about 406.7045105724.

The spelling of 67272407 in words is "sixty-seven million, two hundred seventy-two thousand, four hundred seven".