67072974 has 16 divisors (see below), whose sum is σ = 134607312. Its totient is φ = 22280768.

The previous prime is 67072961. The next prime is 67072979. The reversal of 67072974 is 47927076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67072979) 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, 17319 + ... + 20834.

It is an arithmetic number, because the mean of its divisors is an integer number (8412957).

Almost surely, 2^67072974 is an apocalyptic number.

67072974 is an abundant number, since it is smaller than the sum of its proper divisors (67534338).

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

67072974 is a wasteful number, since it uses less digits than its factorization.

67072974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38451.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 67072974 is about 8189.8091552856. The cubic root of 67072974 is about 406.3022129656.

The spelling of 67072974 in words is "sixty-seven million, seventy-two thousand, nine hundred seventy-four".