70840704 has 128 divisors (see below), whose sum is σ = 212290560. Its totient is φ = 20736000.

The previous prime is 70840699. The next prime is 70840711. The reversal of 70840704 is 40704807.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130674 + ... + 131214.

It is an arithmetic number, because the mean of its divisors is an integer number (1658520).

Almost surely, 2^70840704 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 70840704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106145280).

70840704 is an abundant number, since it is smaller than the sum of its proper divisors (141449856).

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

70840704 is a wasteful number, since it uses less digits than its factorization.

70840704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 70840704 is about 8416.6919867606. The cubic root of 70840704 is about 413.7718643198.

The spelling of 70840704 in words is "seventy million, eight hundred forty thousand, seven hundred four".