70752272 has 10 divisors (see below), whose sum is σ = 137082558. Its totient is φ = 35376128.

The previous prime is 70752263. The next prime is 70752277. The reversal of 70752272 is 27225707.

It can be written as a sum of positive squares in only one way, i.e., 69488896 + 1263376 = 8336^2 + 1124^2 .

It is not an unprimeable number, because it can be changed into a prime (70752277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210993 + ... + 2211024.

Almost surely, 2^70752272 is an apocalyptic number.

It is an amenable number.

70752272 is a deficient number, since it is larger than the sum of its proper divisors (66330286).

70752272 is a wasteful number, since it uses less digits than its factorization.

70752272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422025 (or 4422019 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 70752272 is about 8411.4369759275. The cubic root of 70752272 is about 413.5996191385.

Adding to 70752272 its reverse (27225707), we get a palindrome (97977979).

The spelling of 70752272 in words is "seventy million, seven hundred fifty-two thousand, two hundred seventy-two".