70261172 has 6 divisors (see below), whose sum is σ = 122957058. Its totient is φ = 35130584.

The previous prime is 70261151. The next prime is 70261181. The reversal of 70261172 is 27116207.

It can be written as a sum of positive squares in only one way, i.e., 69288976 + 972196 = 8324^2 + 986^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8782643 + ... + 8782650.

It is an arithmetic number, because the mean of its divisors is an integer number (20492843).

Almost surely, 2^70261172 is an apocalyptic number.

It is an amenable number.

70261172 is a deficient number, since it is larger than the sum of its proper divisors (52695886).

70261172 is a wasteful number, since it uses less digits than its factorization.

70261172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17565297 (or 17565295 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 70261172 is about 8382.1937462695. The cubic root of 70261172 is about 412.6404482873.

Adding to 70261172 its reverse (27116207), we get a palindrome (97377379).

The spelling of 70261172 in words is "seventy million, two hundred sixty-one thousand, one hundred seventy-two".