70917032 has 16 divisors (see below), whose sum is σ = 134213760. Its totient is φ = 35126704.

The previous prime is 70916969. The next prime is 70917037. The reversal of 70917032 is 23071907.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70916986 and 70917004.

It is not an unprimeable number, because it can be changed into a prime (70917037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40568 + ... + 42279.

It is an arithmetic number, because the mean of its divisors is an integer number (8388360).

Almost surely, 2^70917032 is an apocalyptic number.

It is an amenable number.

70917032 is a deficient number, since it is larger than the sum of its proper divisors (63296728).

70917032 is a wasteful number, since it uses less digits than its factorization.

70917032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82960 (or 82956 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 70917032 is about 8421.2250890236. The cubic root of 70917032 is about 413.9204184747.

Adding to 70917032 its reverse (23071907), we get a palindrome (93988939).

The spelling of 70917032 in words is "seventy million, nine hundred seventeen thousand, thirty-two".