70744646 has 8 divisors (see below), whose sum is σ = 121276560. Its totient is φ = 30319128.

The previous prime is 70744637. The next prime is 70744649. The reversal of 70744646 is 64644707.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70744649) 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, 2526581 + ... + 2526608.

It is an arithmetic number, because the mean of its divisors is an integer number (15159570).

Almost surely, 2^70744646 is an apocalyptic number.

70744646 is a deficient number, since it is larger than the sum of its proper divisors (50531914).

70744646 is a wasteful number, since it uses less digits than its factorization.

70744646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053198.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 70744646 is about 8410.9836523441. The cubic root of 70744646 is about 413.5847587251.

The spelling of 70744646 in words is "seventy million, seven hundred forty-four thousand, six hundred forty-six".