70001437 has 8 divisors (see below), whose sum is σ = 77224320. Its totient is φ = 62921760.

The previous prime is 70001431. The next prime is 70001479. The reversal of 70001437 is 73410007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70001437 - 2²³ = 61612829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70001431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34773 + ... + 36730.

It is an arithmetic number, because the mean of its divisors is an integer number (9653040).

Almost surely, 2^70001437 is an apocalyptic number.

It is an amenable number.

70001437 is a deficient number, since it is larger than the sum of its proper divisors (7222883).

70001437 is a wasteful number, since it uses less digits than its factorization.

70001437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71603.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 70001437 is about 8366.6861420756. The cubic root of 70001437 is about 412.1313500982.

The spelling of 70001437 in words is "seventy million, one thousand, four hundred thirty-seven".