70672522 has 4 divisors (see below), whose sum is σ = 106008786. Its totient is φ = 35336260.

The previous prime is 70672499. The next prime is 70672549. The reversal of 70672522 is 22527607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22527607 = 31 ⋅726697.

It can be written as a sum of positive squares in only one way, i.e., 55219761 + 15452761 = 7431^2 + 3931^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17668129 + ... + 17668132.

Almost surely, 2^70672522 is an apocalyptic number.

70672522 is a deficient number, since it is larger than the sum of its proper divisors (35336264).

70672522 is a wasteful number, since it uses less digits than its factorization.

70672522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35336263.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70672522 is about 8406.6950700022. The cubic root of 70672522 is about 413.4441613722. Note that the first 3 decimals are identical.

The spelling of 70672522 in words is "seventy million, six hundred seventy-two thousand, five hundred twenty-two".