67013157 has 4 divisors (see below), whose sum is σ = 89350880. Its totient is φ = 44675436.

The previous prime is 67013123. The next prime is 67013159. The reversal of 67013157 is 75131076.

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 not a de Polignac number, because 67013157 - 2⁷ = 67013029 is a prime.

It is a super-2 number, since 2×67013157² = 8981526422213298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67013159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11168857 + ... + 11168862.

It is an arithmetic number, because the mean of its divisors is an integer number (22337720).

Almost surely, 2^67013157 is an apocalyptic number.

It is an amenable number.

67013157 is a deficient number, since it is larger than the sum of its proper divisors (22337723).

67013157 is a wasteful number, since it uses less digits than its factorization.

67013157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22337722.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 67013157 is about 8186.1564241102. The cubic root of 67013157 is about 406.1813942689.

The spelling of 67013157 in words is "sixty-seven million, thirteen thousand, one hundred fifty-seven".