70734664 has 128 divisors (see below), whose sum is σ = 182004480. Its totient is φ = 25090560.

The previous prime is 70734659. The next prime is 70734689. The reversal of 70734664 is 46643707.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968932 + ... + 969004.

It is an arithmetic number, because the mean of its divisors is an integer number (1421910).

Almost surely, 2^70734664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70734664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91002240).

70734664 is an abundant number, since it is smaller than the sum of its proper divisors (111269816).

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

70734664 is a wasteful number, since it uses less digits than its factorization.

70734664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 70734664 is about 8410.3902406488. The cubic root of 70734664 is about 413.5653056759.

The spelling of 70734664 in words is "seventy million, seven hundred thirty-four thousand, six hundred sixty-four".