70661727 has 48 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 43936992.

The previous prime is 70661713. The next prime is 70661743. The reversal of 70661727 is 72716607.

It is not a de Polignac number, because 70661727 - 2⁴ = 70661711 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70661691 and 70661700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70666727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262549 + ... + 262817.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 2^70661727 is an apocalyptic number.

70661727 is a deficient number, since it is larger than the sum of its proper divisors (42556833).

70661727 is a wasteful number, since it uses less digits than its factorization.

70661727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 70661727 is about 8406.0529976916. The cubic root of 70661727 is about 413.4231095459.

The spelling of 70661727 in words is "seventy million, six hundred sixty-one thousand, seven hundred twenty-seven".