70817132 has 6 divisors (see below), whose sum is σ = 123929988. Its totient is φ = 35408564.

The previous prime is 70817129. The next prime is 70817137. The reversal of 70817132 is 23171807.

It is a junction number, because it is equal to n+sod(n) for n = 70817095 and 70817104.

It is not an unprimeable number, because it can be changed into a prime (70817137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8852138 + ... + 8852145.

It is an arithmetic number, because the mean of its divisors is an integer number (20654998).

Almost surely, 2^70817132 is an apocalyptic number.

It is an amenable number.

70817132 is a deficient number, since it is larger than the sum of its proper divisors (53112856).

70817132 is a wasteful number, since it uses less digits than its factorization.

70817132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17704287 (or 17704285 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 70817132 is about 8415.2915576348. The cubic root of 70817132 is about 413.7259655082.

Adding to 70817132 its reverse (23171807), we get a palindrome (93988939).

The spelling of 70817132 in words is "seventy million, eight hundred seventeen thousand, one hundred thirty-two".