70768137 has 8 divisors (see below), whose sum is σ = 102935520. Its totient is φ = 42889760.

The previous prime is 70768129. The next prime is 70768151. The reversal of 70768137 is 73186707.

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 70768137 - 2³ = 70768129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70768095 and 70768104.

It is not an unprimeable number, because it can be changed into a prime (70768157) 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, 1072212 + ... + 1072277.

It is an arithmetic number, because the mean of its divisors is an integer number (12866940).

Almost surely, 2^70768137 is an apocalyptic number.

It is an amenable number.

70768137 is a deficient number, since it is larger than the sum of its proper divisors (32167383).

70768137 is a wasteful number, since it uses less digits than its factorization.

70768137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144503.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 70768137 is about 8412.3799842851. The cubic root of 70768137 is about 413.6305310672.

The spelling of 70768137 in words is "seventy million, seven hundred sixty-eight thousand, one hundred thirty-seven".