70666734 has 8 divisors (see below), whose sum is σ = 141333480. Its totient is φ = 23555576.

The previous prime is 70666733. The next prime is 70666769. The reversal of 70666734 is 43766607.

It is a sphenic number, since it is the product of 3 distinct primes.

70666734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 70666692 and 70666701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70666733) 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, 5888889 + ... + 5888900.

It is an arithmetic number, because the mean of its divisors is an integer number (17666685).

Almost surely, 2^70666734 is an apocalyptic number.

70666734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70666734 is a wasteful number, since it uses less digits than its factorization.

70666734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11777794.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 70666734 is about 8406.3508135219. The cubic root of 70666734 is about 413.4328741936.

The spelling of 70666734 in words is "seventy million, six hundred sixty-six thousand, seven hundred thirty-four".