70839104 has 70 divisors (see below), whose sum is σ = 164345874. Its totient is φ = 30293760.

The previous prime is 70839101. The next prime is 70839107. The reversal of 70839104 is 40193807.

It is an interprime number because it is at equal distance from previous prime (70839101) and next prime (70839107).

It can be written as a sum of positive squares in only one way, i.e., 55472704 + 15366400 = 7448^2 + 3920^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70839101) 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 9 ways as a sum of consecutive naturals, for example, 153434 + ... + 153894.

Almost surely, 2^70839104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70839104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82172937).

70839104 is an abundant number, since it is smaller than the sum of its proper divisors (93506770).

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

70839104 is an frugal number, since it uses more digits than its factorization.

70839104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 70839104 is about 8416.5969370049. The cubic root of 70839104 is about 413.7687491618.

The spelling of 70839104 in words is "seventy million, eight hundred thirty-nine thousand, one hundred four".