70742527 has 4 divisors (see below), whose sum is σ = 73024576. Its totient is φ = 68460480.

The previous prime is 70742519. The next prime is 70742531. The reversal of 70742527 is 72524707.

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 70742527 - 2³ = 70742519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70742492 and 70742501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70742537) 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, 1140978 + ... + 1141039.

It is an arithmetic number, because the mean of its divisors is an integer number (18256144).

Almost surely, 2^70742527 is an apocalyptic number.

70742527 is a deficient number, since it is larger than the sum of its proper divisors (2282049).

70742527 is a wasteful number, since it uses less digits than its factorization.

70742527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282048.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 70742527 is about 8410.8576851591. The cubic root of 70742527 is about 413.5806293438.

It can be divided in two parts, 707 and 42527, that added together give a palindrome (43234).

The spelling of 70742527 in words is "seventy million, seven hundred forty-two thousand, five hundred twenty-seven".