70102340 has 96 divisors (see below), whose sum is σ = 187488000. Its totient is φ = 21826560.

The previous prime is 70102313. The next prime is 70102391. The reversal of 70102340 is 4320107.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74996 + ... + 75924.

It is an arithmetic number, because the mean of its divisors is an integer number (1953000).

Almost surely, 2^70102340 is an apocalyptic number.

70102340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70102340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93744000).

70102340 is an abundant number, since it is smaller than the sum of its proper divisors (117385660).

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

70102340 is a wasteful number, since it uses less digits than its factorization.

70102340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 70102340 is about 8372.7140163749. The cubic root of 70102340 is about 412.3292761526.

Adding to 70102340 its reverse (4320107), we get a palindrome (74422447).

The spelling of 70102340 in words is "seventy million, one hundred two thousand, three hundred forty".