67152945 has 8 divisors (see below), whose sum is σ = 107444736. Its totient is φ = 35814896.

The previous prime is 67152931. The next prime is 67152977. The reversal of 67152945 is 54925176.

67152945 = 1923² + 1924² + ... + 1940².

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 67152945 - 2⁶ = 67152881 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2238417 + ... + 2238446.

It is an arithmetic number, because the mean of its divisors is an integer number (13430592).

Almost surely, 2^67152945 is an apocalyptic number.

It is an amenable number.

67152945 is a deficient number, since it is larger than the sum of its proper divisors (40291791).

67152945 is a wasteful number, since it uses less digits than its factorization.

67152945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476871.

The product of its digits is 75600, while the sum is 39.

The square root of 67152945 is about 8194.6900490501. The cubic root of 67152945 is about 406.4636266585.

The spelling of 67152945 in words is "sixty-seven million, one hundred fifty-two thousand, nine hundred forty-five".