72670167 has 6 divisors (see below), whose sum is σ = 104968032. Its totient is φ = 48446772.

The previous prime is 72670159. The next prime is 72670177. The reversal of 72670167 is 76107627.

It is not a de Polignac number, because 72670167 - 2³ = 72670159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72670177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4037223 + ... + 4037240.

It is an arithmetic number, because the mean of its divisors is an integer number (17494672).

Almost surely, 2^72670167 is an apocalyptic number.

72670167 is a deficient number, since it is larger than the sum of its proper divisors (32297865).

72670167 is a wasteful number, since it uses less digits than its factorization.

72670167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074469 (or 8074466 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 72670167 is about 8524.6798766875. The cubic root of 72670167 is about 417.3035245108.

The spelling of 72670167 in words is "seventy-two million, six hundred seventy thousand, one hundred sixty-seven".