70137527 has 4 divisors (see below), whose sum is σ = 70366296. Its totient is φ = 69908760.

The previous prime is 70137521. The next prime is 70137539. The reversal of 70137527 is 72573107.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70137527 - 2⁸ = 70137271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70137493 and 70137502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70137521) 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, 113924 + ... + 114537.

It is an arithmetic number, because the mean of its divisors is an integer number (17591574).

Almost surely, 2^70137527 is an apocalyptic number.

70137527 is a deficient number, since it is larger than the sum of its proper divisors (228769).

70137527 is a wasteful number, since it uses less digits than its factorization.

70137527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228768.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 70137527 is about 8374.8150427338. The cubic root of 70137527 is about 412.3982524685.

The spelling of 70137527 in words is "seventy million, one hundred thirty-seven thousand, five hundred twenty-seven".