67070872 has 32 divisors (see below), whose sum is σ = 137620800. Its totient is φ = 30391200.

The previous prime is 67070869. The next prime is 67070873. The reversal of 67070872 is 27807076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67070873) 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, 32347 + ... + 34357.

It is an arithmetic number, because the mean of its divisors is an integer number (4300650).

Almost surely, 2^67070872 is an apocalyptic number.

It is an amenable number.

67070872 is an abundant number, since it is smaller than the sum of its proper divisors (70549928).

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

67070872 is a wasteful number, since it uses less digits than its factorization.

67070872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 67070872 is about 8189.6808240615. The cubic root of 67070872 is about 406.2979685528.

The spelling of 67070872 in words is "sixty-seven million, seventy thousand, eight hundred seventy-two".