70709832 has 36 divisors (see below), whose sum is σ = 191699235. Its totient is φ = 23546160.

The previous prime is 70709831. The next prime is 70709861. The reversal of 70709832 is 23890707.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 35354916 + 35354916 = 5946^2 + 5946^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5946.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (70709831) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 70857 + ... + 71847.

Almost surely, 2^70709832 is an apocalyptic number.

70709832 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70709832 is an abundant number, since it is smaller than the sum of its proper divisors (120989403).

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

70709832 is an equidigital number, since it uses as much as digits as its factorization.

70709832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 70709832 is about 8408.9138418704. The cubic root of 70709832 is about 413.5169048161.

The spelling of 70709832 in words is "seventy million, seven hundred nine thousand, eight hundred thirty-two".