70934340 has 48 divisors (see below), whose sum is σ = 199862208. Its totient is φ = 18797184.

The previous prime is 70934333. The next prime is 70934351. The reversal of 70934340 is 4343907.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 70934298 and 70934307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6154 + ... + 13406.

It is an arithmetic number, because the mean of its divisors is an integer number (4163796).

Almost surely, 2^70934340 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 70934340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99931104).

70934340 is an abundant number, since it is smaller than the sum of its proper divisors (128927868).

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

70934340 is a wasteful number, since it uses less digits than its factorization.

70934340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428 (or 7426 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 70934340 is about 8422.2526677843. The cubic root of 70934340 is about 413.9540895203.

The spelling of 70934340 in words is "seventy million, nine hundred thirty-four thousand, three hundred forty".