70001445 has 16 divisors (see below), whose sum is σ = 112154112. Its totient is φ = 37283520.

The previous prime is 70001431. The next prime is 70001479. The reversal of 70001445 is 54410007.

It is not a de Polignac number, because 70001445 - 2⁶ = 70001381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10060 + ... + 15530.

It is an arithmetic number, because the mean of its divisors is an integer number (7009632).

Almost surely, 2^70001445 is an apocalyptic number.

It is an amenable number.

70001445 is a deficient number, since it is larger than the sum of its proper divisors (42152667).

70001445 is a wasteful number, since it uses less digits than its factorization.

70001445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 70001445 is about 8366.6866201621. The cubic root of 70001445 is about 412.1313657981.

The spelling of 70001445 in words is "seventy million, one thousand, four hundred forty-five".