70830102 has 32 divisors (see below), whose sum is σ = 167122944. Its totient is φ = 19584000.

The previous prime is 70830077. The next prime is 70830107. The reversal of 70830102 is 20103807.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70830107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25899 + ... + 28502.

It is an arithmetic number, because the mean of its divisors is an integer number (5222592).

Almost surely, 2^70830102 is an apocalyptic number.

70830102 is an abundant number, since it is smaller than the sum of its proper divisors (96292842).

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

70830102 is a wasteful number, since it uses less digits than its factorization.

70830102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54444.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 70830102 is about 8416.0621433067. The cubic root of 70830102 is about 413.7512216294.

Adding to 70830102 its reverse (20103807), we get a palindrome (90933909).

The spelling of 70830102 in words is "seventy million, eight hundred thirty thousand, one hundred two".