70001072 has 20 divisors (see below), whose sum is σ = 135894576. Its totient is φ = 34931520.

The previous prime is 70001059. The next prime is 70001083. The reversal of 70001072 is 27010007.

It is a happy number.

It is a super-2 number, since 2×70001072² = 9800300162298368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70001072.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4613 + ... + 12699.

Almost surely, 2^70001072 is an apocalyptic number.

It is an amenable number.

70001072 is a deficient number, since it is larger than the sum of its proper divisors (65893504).

70001072 is a wasteful number, since it uses less digits than its factorization.

70001072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8636 (or 8630 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 70001072 is about 8366.6643293489. The cubic root of 70001072 is about 412.1306337881.

Adding to 70001072 its reverse (27010007), we get a palindrome (97011079).

The spelling of 70001072 in words is "seventy million, one thousand, seventy-two".