70001442 has 32 divisors (see below), whose sum is σ = 177782400. Its totient is φ = 20000304.

The previous prime is 70001431. The next prime is 70001479. The reversal of 70001442 is 24410007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 92217 + ... + 92972.

It is an arithmetic number, because the mean of its divisors is an integer number (5555700).

Almost surely, 2^70001442 is an apocalyptic number.

70001442 is an abundant number, since it is smaller than the sum of its proper divisors (107780958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70001442 is a wasteful number, since it uses less digits than its factorization.

70001442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185207 (or 185201 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 70001442 is about 8366.6864408797. The cubic root of 70001442 is about 412.1313599107.

Adding to 70001442 its reverse (24410007), we get a palindrome (94411449).

The spelling of 70001442 in words is "seventy million, one thousand, four hundred forty-two".