70738768 has 40 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 33031680.

The previous prime is 70738757. The next prime is 70738771. The reversal of 70738768 is 86783707.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36873 + ... + 38743.

It is an arithmetic number, because the mean of its divisors is an integer number (3656016).

Almost surely, 2^70738768 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 70738768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73120320).

70738768 is an abundant number, since it is smaller than the sum of its proper divisors (75501872).

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

70738768 is a wasteful number, since it uses less digits than its factorization.

70738768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035 (or 2029 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 70738768 is about 8410.6342210323. The cubic root of 70738768 is about 413.5733038251.

It can be divided in two parts, 707387 and 68, that added together give a triangular number (707455 = T₁₁₈₉).

The spelling of 70738768 in words is "seventy million, seven hundred thirty-eight thousand, seven hundred sixty-eight".