72137067 has 8 divisors (see below), whose sum is σ = 97500624. Its totient is φ = 47432448.

The previous prime is 72137059. The next prime is 72137089. The reversal of 72137067 is 76073127.

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

It is not a de Polignac number, because 72137067 - 2³ = 72137059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72137027) 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, 164478 + ... + 164915.

It is an arithmetic number, because the mean of its divisors is an integer number (12187578).

Almost surely, 2^72137067 is an apocalyptic number.

72137067 is a deficient number, since it is larger than the sum of its proper divisors (25363557).

72137067 is a wasteful number, since it uses less digits than its factorization.

72137067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329469.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 72137067 is about 8493.3542843802. The cubic root of 72137067 is about 416.2805887936.

The spelling of 72137067 in words is "seventy-two million, one hundred thirty-seven thousand, sixty-seven".