70145677 has 8 divisors (see below), whose sum is σ = 80518400. Its totient is φ = 59860944.

The previous prime is 70145671. The next prime is 70145683. The reversal of 70145677 is 77654107.

It is an interprime number because it is at equal distance from previous prime (70145671) and next prime (70145683).

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 70145677 - 2¹⁹ = 69621389 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 (70145671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20277 + ... + 23482.

It is an arithmetic number, because the mean of its divisors is an integer number (10064800).

Almost surely, 2^70145677 is an apocalyptic number.

It is an amenable number.

70145677 is a deficient number, since it is larger than the sum of its proper divisors (10372723).

70145677 is a wasteful number, since it uses less digits than its factorization.

70145677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43995.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 70145677 is about 8375.3016065095. The cubic root of 70145677 is about 412.4142254467.

The spelling of 70145677 in words is "seventy million, one hundred forty-five thousand, six hundred seventy-seven".