70382709 has 8 divisors (see below), whose sum is σ = 104270720. Its totient is φ = 46921788.

The previous prime is 70382699. The next prime is 70382743. The reversal of 70382709 is 90728307.

It is not a de Polignac number, because 70382709 - 2⁵ = 70382677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70382749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303357 + ... + 1303410.

It is an arithmetic number, because the mean of its divisors is an integer number (13033840).

Almost surely, 2^70382709 is an apocalyptic number.

It is an amenable number.

70382709 is a deficient number, since it is larger than the sum of its proper divisors (33888011).

70382709 is a wasteful number, since it uses less digits than its factorization.

70382709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606776 (or 2606770 counting only the distinct ones).

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

The square root of 70382709 is about 8389.4403269825. The cubic root of 70382709 is about 412.8782381958.

The spelling of 70382709 in words is "seventy million, three hundred eighty-two thousand, seven hundred nine".