70002051 has 8 divisors (see below), whose sum is σ = 106669824. Its totient is φ = 40001160.

The previous prime is 70002043. The next prime is 70002131. The reversal of 70002051 is 15020007.

It is a happy number.

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

It is not a de Polignac number, because 70002051 - 2³ = 70002043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70002051.

It is not an unprimeable number, because it can be changed into a prime (70002001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666695 + ... + 1666736.

It is an arithmetic number, because the mean of its divisors is an integer number (13333728).

Almost surely, 2^70002051 is an apocalyptic number.

70002051 is a deficient number, since it is larger than the sum of its proper divisors (36667773).

70002051 is a wasteful number, since it uses less digits than its factorization.

70002051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333441.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 70002051 is about 8366.7228351368. The cubic root of 70002051 is about 412.1325550635.

Adding to 70002051 its reverse (15020007), we get a palindrome (85022058).

The spelling of 70002051 in words is "seventy million, two thousand, fifty-one".