70829664 has 24 divisors (see below), whose sum is σ = 185928120. Its totient is φ = 23609856.

The previous prime is 70829657. The next prime is 70829713. The reversal of 70829664 is 46692807.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368809 + ... + 369000.

It is an arithmetic number, because the mean of its divisors is an integer number (7747005).

Almost surely, 2^70829664 is an apocalyptic number.

It is an amenable number.

70829664 is an abundant number, since it is smaller than the sum of its proper divisors (115098456).

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

70829664 is a wasteful number, since it uses less digits than its factorization.

70829664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737822 (or 737814 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 70829664 is about 8416.0361215955. The cubic root of 70829664 is about 413.7503687744.

The spelling of 70829664 in words is "seventy million, eight hundred twenty-nine thousand, six hundred sixty-four".