70570172 has 12 divisors (see below), whose sum is σ = 123602640. Its totient is φ = 35255136.

The previous prime is 70570127. The next prime is 70570177. The reversal of 70570172 is 27107507.

It is a super-2 number, since 2×70570172² = 9960298352219168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70570177) 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, 1688 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (10300220).

Almost surely, 2^70570172 is an apocalyptic number.

It is an amenable number.

70570172 is a deficient number, since it is larger than the sum of its proper divisors (53032468).

70570172 is a wasteful number, since it uses less digits than its factorization.

70570172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14980 (or 14978 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 70570172 is about 8400.6054543705. The cubic root of 70570172 is about 413.2444776624.

Adding to 70570172 its reverse (27107507), we get a palindrome (97677679).

The spelling of 70570172 in words is "seventy million, five hundred seventy thousand, one hundred seventy-two".