70102051 has 8 divisors (see below), whose sum is σ = 71717184. Its totient is φ = 68492160.

The previous prime is 70102037. The next prime is 70102069. The reversal of 70102051 is 15020107.

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

It is not a de Polignac number, because 70102051 - 2¹¹ = 70100003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70102031) 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, 40561 + ... + 42253.

It is an arithmetic number, because the mean of its divisors is an integer number (8964648).

Almost surely, 2^70102051 is an apocalyptic number.

70102051 is a deficient number, since it is larger than the sum of its proper divisors (1615133).

70102051 is a wasteful number, since it uses less digits than its factorization.

70102051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 70102051 is about 8372.6967579150. The cubic root of 70102051 is about 412.3287095366.

Adding to 70102051 its reverse (15020107), we get a palindrome (85122158).

The spelling of 70102051 in words is "seventy million, one hundred two thousand, fifty-one".