67450157 has 4 divisors (see below), whose sum is σ = 68593440. Its totient is φ = 66306876.

The previous prime is 67450153. The next prime is 67450177. The reversal of 67450157 is 75105476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67450157 - 2² = 67450153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67450153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571553 + ... + 571670.

It is an arithmetic number, because the mean of its divisors is an integer number (17148360).

Almost surely, 2^67450157 is an apocalyptic number.

It is an amenable number.

67450157 is a deficient number, since it is larger than the sum of its proper divisors (1143283).

67450157 is a wasteful number, since it uses less digits than its factorization.

67450157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143282.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 67450157 is about 8212.8044540218. The cubic root of 67450157 is about 407.0623995025.

The spelling of 67450157 in words is "sixty-seven million, four hundred fifty thousand, one hundred fifty-seven".